490290840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:823

約数の個数: 256

約数和(自身を含む): 1799884800

約数和(自身を除く): 1309593960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 47, 52, 54, 60, 65, 72, 78, 90, 94, 104, 108, 117, 120, 130, 135, 141, 156, 180, 188, 195, 216, 234, 235, 260, 270, 282, 312, 351, 360, 376, 390, 423, 468, 470, 520, 540, 564, 585, 611, 702, 705, 743, 780, 846, 936, 940, 1080, 1128, 1170, 1222, 1269, 1404, 1410, 1486, 1560, 1692, 1755, 1833, 1880, 2115, 2229, 2340, 2444, 2538, 2808, 2820, 2972, 3055, 3384, 3510, 3666, 3715, 4230, 4458, 4680, 4888, 5076, 5499, 5640, 5944, 6110, 6345, 6687, 7020, 7332, 7430, 8460, 8916, 9165, 9659, 10152, 10998, 11145, 12220, 12690, 13374, 14040, 14664, 14860, 16497, 16920, 17832, 18330, 19318, 20061, 21996, 22290, 24440, 25380, 26748, 27495, 28977, 29720, 32994, 33435, 34921, 36660, 38636, 40122, 43992, 44580, 48295, 50760, 53496, 54990, 57954, 65988, 66870, 69842, 73320, 77272, 80244, 82485, 86931, 89160, 96590, 100305, 104763, 109980, 115908, 131976, 133740, 139684, 144885, 160488, 164970, 173862, 174605, 193180, 200610, 209526, 219960, 231816, 260793, 267480, 279368, 289770, 314289, 329940, 347724, 349210, 386360, 401220, 419052, 434655, 453973, 521586, 523815, 579540, 628578, 659880, 695448, 698420, 802440, 838104, 869310, 907946, 942867, 1043172, 1047630, 1159080, 1257156, 1303965, 1361919, 1396840, 1571445, 1738620, 1815892, 1885734, 2086344, 2095260, 2269865, 2514312, 2607930, 2723838, 3142890, 3477240, 3631784, 3771468, 4085757, 4190520, 4539730, 4714335, 5215860, 5447676, 6285780, 6809595, 7542936, 8171514, 9079460, 9428670, 10431720, 10895352, 12257271, 12571560, 13619190, 16343028, 18158920, 18857340, 20428785, 24514542, 27238380, 32686056, 37714680, 40857570, 49029084, 54476760, 61286355, 81715140, 98058168, 122572710, 163430280, 245145420, 490290840]

約数ペア:

[(1, 490290840), (2, 245145420), (3, 163430280), (4, 122572710), (5, 98058168), (6, 81715140), (8, 61286355), (9, 54476760), (10, 49029084), (12, 40857570), (13, 37714680), (15, 32686056), (18, 27238380), (20, 24514542), (24, 20428785), (26, 18857340), (27, 18158920), (30, 16343028), (36, 13619190), (39, 12571560), (40, 12257271), (45, 10895352), (47, 10431720), (52, 9428670), (54, 9079460), (60, 8171514), (65, 7542936), (72, 6809595), (78, 6285780), (90, 5447676), (94, 5215860), (104, 4714335), (108, 4539730), (117, 4190520), (120, 4085757), (130, 3771468), (135, 3631784), (141, 3477240), (156, 3142890), (180, 2723838), (188, 2607930), (195, 2514312), (216, 2269865), (234, 2095260), (235, 2086344), (260, 1885734), (270, 1815892), (282, 1738620), (312, 1571445), (351, 1396840), (360, 1361919), (376, 1303965), (390, 1257156), (423, 1159080), (468, 1047630), (470, 1043172), (520, 942867), (540, 907946), (564, 869310), (585, 838104), (611, 802440), (702, 698420), (705, 695448), (743, 659880), (780, 628578), (846, 579540), (936, 523815), (940, 521586), (1080, 453973), (1128, 434655), (1170, 419052), (1222, 401220), (1269, 386360), (1404, 349210), (1410, 347724), (1486, 329940), (1560, 314289), (1692, 289770), (1755, 279368), (1833, 267480), (1880, 260793), (2115, 231816), (2229, 219960), (2340, 209526), (2444, 200610), (2538, 193180), (2808, 174605), (2820, 173862), (2972, 164970), (3055, 160488), (3384, 144885), (3510, 139684), (3666, 133740), (3715, 131976), (4230, 115908), (4458, 109980), (4680, 104763), (4888, 100305), (5076, 96590), (5499, 89160), (5640, 86931), (5944, 82485), (6110, 80244), (6345, 77272), (6687, 73320), (7020, 69842), (7332, 66870), (7430, 65988), (8460, 57954), (8916, 54990), (9165, 53496), (9659, 50760), (10152, 48295), (10998, 44580), (11145, 43992), (12220, 40122), (12690, 38636), (13374, 36660), (14040, 34921), (14664, 33435), (14860, 32994), (16497, 29720), (16920, 28977), (17832, 27495), (18330, 26748), (19318, 25380), (20061, 24440), (21996, 22290)]