7739460

素因数分解:

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

素因数の和:138

約数の個数: 144

約数和(自身を含む): 25858560

約数和(自身を除く): 18119100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 73, 76, 90, 93, 95, 114, 124, 146, 155, 171, 180, 186, 190, 219, 228, 279, 285, 292, 310, 342, 365, 372, 380, 438, 465, 558, 570, 589, 620, 657, 684, 730, 855, 876, 930, 1095, 1116, 1140, 1178, 1314, 1387, 1395, 1460, 1710, 1767, 1860, 2190, 2263, 2356, 2628, 2774, 2790, 2945, 3285, 3420, 3534, 4161, 4380, 4526, 5301, 5548, 5580, 5890, 6570, 6789, 6935, 7068, 8322, 8835, 9052, 10602, 11315, 11780, 12483, 13140, 13578, 13870, 16644, 17670, 20367, 20805, 21204, 22630, 24966, 26505, 27156, 27740, 33945, 35340, 40734, 41610, 42997, 45260, 49932, 53010, 62415, 67890, 81468, 83220, 85994, 101835, 106020, 124830, 128991, 135780, 171988, 203670, 214985, 249660, 257982, 386973, 407340, 429970, 515964, 644955, 773946, 859940, 1289910, 1547892, 1934865, 2579820, 3869730, 7739460]

約数ペア:

[(1, 7739460), (2, 3869730), (3, 2579820), (4, 1934865), (5, 1547892), (6, 1289910), (9, 859940), (10, 773946), (12, 644955), (15, 515964), (18, 429970), (19, 407340), (20, 386973), (30, 257982), (31, 249660), (36, 214985), (38, 203670), (45, 171988), (57, 135780), (60, 128991), (62, 124830), (73, 106020), (76, 101835), (90, 85994), (93, 83220), (95, 81468), (114, 67890), (124, 62415), (146, 53010), (155, 49932), (171, 45260), (180, 42997), (186, 41610), (190, 40734), (219, 35340), (228, 33945), (279, 27740), (285, 27156), (292, 26505), (310, 24966), (342, 22630), (365, 21204), (372, 20805), (380, 20367), (438, 17670), (465, 16644), (558, 13870), (570, 13578), (589, 13140), (620, 12483), (657, 11780), (684, 11315), (730, 10602), (855, 9052), (876, 8835), (930, 8322), (1095, 7068), (1116, 6935), (1140, 6789), (1178, 6570), (1314, 5890), (1387, 5580), (1395, 5548), (1460, 5301), (1710, 4526), (1767, 4380), (1860, 4161), (2190, 3534), (2263, 3420), (2356, 3285), (2628, 2945), (2774, 2790)]