491885680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 320

約数和(自身を含む): 1479905280

約数和(自身を除く): 988019600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 31, 38, 40, 44, 52, 55, 62, 65, 73, 76, 80, 88, 95, 104, 110, 124, 130, 143, 146, 152, 155, 176, 190, 208, 209, 220, 247, 248, 260, 286, 292, 304, 310, 341, 365, 380, 403, 418, 440, 494, 496, 520, 572, 584, 589, 620, 682, 715, 730, 760, 803, 806, 836, 880, 949, 988, 1040, 1045, 1144, 1168, 1178, 1235, 1240, 1364, 1387, 1430, 1460, 1520, 1606, 1612, 1672, 1705, 1898, 1976, 2015, 2090, 2263, 2288, 2356, 2470, 2480, 2717, 2728, 2774, 2860, 2920, 2945, 3212, 3224, 3344, 3410, 3796, 3952, 4015, 4030, 4180, 4433, 4526, 4712, 4745, 4940, 5434, 5456, 5548, 5720, 5840, 5890, 6424, 6448, 6479, 6820, 6935, 7592, 7657, 8030, 8060, 8360, 8866, 9052, 9424, 9490, 9880, 10439, 10868, 11096, 11315, 11440, 11780, 12848, 12958, 13585, 13640, 13870, 15184, 15257, 15314, 16060, 16120, 16720, 17732, 18031, 18104, 18980, 19760, 20878, 21736, 22165, 22192, 22630, 23560, 24893, 25916, 27170, 27280, 27740, 29419, 30514, 30628, 32120, 32240, 32395, 35464, 36062, 36208, 37960, 38285, 41756, 42997, 43472, 44330, 45260, 47120, 49786, 51832, 52195, 54340, 55480, 58838, 61028, 61256, 64240, 64790, 70928, 72124, 75920, 76285, 76570, 83512, 84227, 85994, 88660, 90155, 90520, 99572, 103664, 104390, 108680, 110960, 117676, 122056, 122512, 124465, 129580, 144248, 147095, 152570, 153140, 167024, 168454, 171988, 177320, 180310, 181040, 198341, 199144, 208780, 214985, 217360, 235352, 244112, 248930, 259160, 288496, 294190, 305140, 306280, 323609, 336908, 343976, 354640, 360620, 396682, 398288, 417560, 421135, 429970, 470704, 472967, 497860, 518320, 558961, 588380, 610280, 612560, 647218, 673816, 687952, 721240, 793364, 835120, 842270, 859940, 945934, 991705, 995720, 1117922, 1176760, 1220560, 1294436, 1347632, 1442480, 1586728, 1618045, 1684540, 1719880, 1891868, 1983410, 1991440, 2235844, 2353520, 2364835, 2588872, 2794805, 3173456, 3236090, 3369080, 3439760, 3783736, 3966820, 4471688, 4729670, 5177744, 5589610, 6148571, 6472180, 6738160, 7567472, 7933640, 8943376, 9459340, 11179220, 12297142, 12944360, 15867280, 18918680, 22358440, 24594284, 25888720, 30742855, 37837360, 44716880, 49188568, 61485710, 98377136, 122971420, 245942840, 491885680]

約数ペア:

[(1, 491885680), (2, 245942840), (4, 122971420), (5, 98377136), (8, 61485710), (10, 49188568), (11, 44716880), (13, 37837360), (16, 30742855), (19, 25888720), (20, 24594284), (22, 22358440), (26, 18918680), (31, 15867280), (38, 12944360), (40, 12297142), (44, 11179220), (52, 9459340), (55, 8943376), (62, 7933640), (65, 7567472), (73, 6738160), (76, 6472180), (80, 6148571), (88, 5589610), (95, 5177744), (104, 4729670), (110, 4471688), (124, 3966820), (130, 3783736), (143, 3439760), (146, 3369080), (152, 3236090), (155, 3173456), (176, 2794805), (190, 2588872), (208, 2364835), (209, 2353520), (220, 2235844), (247, 1991440), (248, 1983410), (260, 1891868), (286, 1719880), (292, 1684540), (304, 1618045), (310, 1586728), (341, 1442480), (365, 1347632), (380, 1294436), (403, 1220560), (418, 1176760), (440, 1117922), (494, 995720), (496, 991705), (520, 945934), (572, 859940), (584, 842270), (589, 835120), (620, 793364), (682, 721240), (715, 687952), (730, 673816), (760, 647218), (803, 612560), (806, 610280), (836, 588380), (880, 558961), (949, 518320), (988, 497860), (1040, 472967), (1045, 470704), (1144, 429970), (1168, 421135), (1178, 417560), (1235, 398288), (1240, 396682), (1364, 360620), (1387, 354640), (1430, 343976), (1460, 336908), (1520, 323609), (1606, 306280), (1612, 305140), (1672, 294190), (1705, 288496), (1898, 259160), (1976, 248930), (2015, 244112), (2090, 235352), (2263, 217360), (2288, 214985), (2356, 208780), (2470, 199144), (2480, 198341), (2717, 181040), (2728, 180310), (2774, 177320), (2860, 171988), (2920, 168454), (2945, 167024), (3212, 153140), (3224, 152570), (3344, 147095), (3410, 144248), (3796, 129580), (3952, 124465), (4015, 122512), (4030, 122056), (4180, 117676), (4433, 110960), (4526, 108680), (4712, 104390), (4745, 103664), (4940, 99572), (5434, 90520), (5456, 90155), (5548, 88660), (5720, 85994), (5840, 84227), (5890, 83512), (6424, 76570), (6448, 76285), (6479, 75920), (6820, 72124), (6935, 70928), (7592, 64790), (7657, 64240), (8030, 61256), (8060, 61028), (8360, 58838), (8866, 55480), (9052, 54340), (9424, 52195), (9490, 51832), (9880, 49786), (10439, 47120), (10868, 45260), (11096, 44330), (11315, 43472), (11440, 42997), (11780, 41756), (12848, 38285), (12958, 37960), (13585, 36208), (13640, 36062), (13870, 35464), (15184, 32395), (15257, 32240), (15314, 32120), (16060, 30628), (16120, 30514), (16720, 29419), (17732, 27740), (18031, 27280), (18104, 27170), (18980, 25916), (19760, 24893), (20878, 23560), (21736, 22630), (22165, 22192)]