15478920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 55411200

約数和(自身を除く): 39932280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 72, 73, 76, 90, 93, 95, 114, 120, 124, 146, 152, 155, 171, 180, 186, 190, 219, 228, 248, 279, 285, 292, 310, 342, 360, 365, 372, 380, 438, 456, 465, 558, 570, 584, 589, 620, 657, 684, 730, 744, 760, 855, 876, 930, 1095, 1116, 1140, 1178, 1240, 1314, 1368, 1387, 1395, 1460, 1710, 1752, 1767, 1860, 2190, 2232, 2263, 2280, 2356, 2628, 2774, 2790, 2920, 2945, 3285, 3420, 3534, 3720, 4161, 4380, 4526, 4712, 5256, 5301, 5548, 5580, 5890, 6570, 6789, 6840, 6935, 7068, 8322, 8760, 8835, 9052, 10602, 11096, 11160, 11315, 11780, 12483, 13140, 13578, 13870, 14136, 16644, 17670, 18104, 20367, 20805, 21204, 22630, 23560, 24966, 26280, 26505, 27156, 27740, 33288, 33945, 35340, 40734, 41610, 42408, 42997, 45260, 49932, 53010, 54312, 55480, 62415, 67890, 70680, 81468, 83220, 85994, 90520, 99864, 101835, 106020, 124830, 128991, 135780, 162936, 166440, 171988, 203670, 212040, 214985, 249660, 257982, 271560, 343976, 386973, 407340, 429970, 499320, 515964, 644955, 773946, 814680, 859940, 1031928, 1289910, 1547892, 1719880, 1934865, 2579820, 3095784, 3869730, 5159640, 7739460, 15478920]

約数ペア:

[(1, 15478920), (2, 7739460), (3, 5159640), (4, 3869730), (5, 3095784), (6, 2579820), (8, 1934865), (9, 1719880), (10, 1547892), (12, 1289910), (15, 1031928), (18, 859940), (19, 814680), (20, 773946), (24, 644955), (30, 515964), (31, 499320), (36, 429970), (38, 407340), (40, 386973), (45, 343976), (57, 271560), (60, 257982), (62, 249660), (72, 214985), (73, 212040), (76, 203670), (90, 171988), (93, 166440), (95, 162936), (114, 135780), (120, 128991), (124, 124830), (146, 106020), (152, 101835), (155, 99864), (171, 90520), (180, 85994), (186, 83220), (190, 81468), (219, 70680), (228, 67890), (248, 62415), (279, 55480), (285, 54312), (292, 53010), (310, 49932), (342, 45260), (360, 42997), (365, 42408), (372, 41610), (380, 40734), (438, 35340), (456, 33945), (465, 33288), (558, 27740), (570, 27156), (584, 26505), (589, 26280), (620, 24966), (657, 23560), (684, 22630), (730, 21204), (744, 20805), (760, 20367), (855, 18104), (876, 17670), (930, 16644), (1095, 14136), (1116, 13870), (1140, 13578), (1178, 13140), (1240, 12483), (1314, 11780), (1368, 11315), (1387, 11160), (1395, 11096), (1460, 10602), (1710, 9052), (1752, 8835), (1767, 8760), (1860, 8322), (2190, 7068), (2232, 6935), (2263, 6840), (2280, 6789), (2356, 6570), (2628, 5890), (2774, 5580), (2790, 5548), (2920, 5301), (2945, 5256), (3285, 4712), (3420, 4526), (3534, 4380), (3720, 4161)]