30957840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 114516480

約数和(自身を除く): 83558640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 73, 76, 80, 90, 93, 95, 114, 120, 124, 144, 146, 152, 155, 171, 180, 186, 190, 219, 228, 240, 248, 279, 285, 292, 304, 310, 342, 360, 365, 372, 380, 438, 456, 465, 496, 558, 570, 584, 589, 620, 657, 684, 720, 730, 744, 760, 855, 876, 912, 930, 1095, 1116, 1140, 1168, 1178, 1240, 1314, 1368, 1387, 1395, 1460, 1488, 1520, 1710, 1752, 1767, 1860, 2190, 2232, 2263, 2280, 2356, 2480, 2628, 2736, 2774, 2790, 2920, 2945, 3285, 3420, 3504, 3534, 3720, 4161, 4380, 4464, 4526, 4560, 4712, 5256, 5301, 5548, 5580, 5840, 5890, 6570, 6789, 6840, 6935, 7068, 7440, 8322, 8760, 8835, 9052, 9424, 10512, 10602, 11096, 11160, 11315, 11780, 12483, 13140, 13578, 13680, 13870, 14136, 16644, 17520, 17670, 18104, 20367, 20805, 21204, 22192, 22320, 22630, 23560, 24966, 26280, 26505, 27156, 27740, 28272, 33288, 33945, 35340, 36208, 40734, 41610, 42408, 42997, 45260, 47120, 49932, 52560, 53010, 54312, 55480, 62415, 66576, 67890, 70680, 81468, 83220, 84816, 85994, 90520, 99864, 101835, 106020, 108624, 110960, 124830, 128991, 135780, 141360, 162936, 166440, 171988, 181040, 199728, 203670, 212040, 214985, 249660, 257982, 271560, 325872, 332880, 343976, 386973, 407340, 424080, 429970, 499320, 515964, 543120, 644955, 687952, 773946, 814680, 859940, 998640, 1031928, 1289910, 1547892, 1629360, 1719880, 1934865, 2063856, 2579820, 3095784, 3439760, 3869730, 5159640, 6191568, 7739460, 10319280, 15478920, 30957840]

約数ペア:

[(1, 30957840), (2, 15478920), (3, 10319280), (4, 7739460), (5, 6191568), (6, 5159640), (8, 3869730), (9, 3439760), (10, 3095784), (12, 2579820), (15, 2063856), (16, 1934865), (18, 1719880), (19, 1629360), (20, 1547892), (24, 1289910), (30, 1031928), (31, 998640), (36, 859940), (38, 814680), (40, 773946), (45, 687952), (48, 644955), (57, 543120), (60, 515964), (62, 499320), (72, 429970), (73, 424080), (76, 407340), (80, 386973), (90, 343976), (93, 332880), (95, 325872), (114, 271560), (120, 257982), (124, 249660), (144, 214985), (146, 212040), (152, 203670), (155, 199728), (171, 181040), (180, 171988), (186, 166440), (190, 162936), (219, 141360), (228, 135780), (240, 128991), (248, 124830), (279, 110960), (285, 108624), (292, 106020), (304, 101835), (310, 99864), (342, 90520), (360, 85994), (365, 84816), (372, 83220), (380, 81468), (438, 70680), (456, 67890), (465, 66576), (496, 62415), (558, 55480), (570, 54312), (584, 53010), (589, 52560), (620, 49932), (657, 47120), (684, 45260), (720, 42997), (730, 42408), (744, 41610), (760, 40734), (855, 36208), (876, 35340), (912, 33945), (930, 33288), (1095, 28272), (1116, 27740), (1140, 27156), (1168, 26505), (1178, 26280), (1240, 24966), (1314, 23560), (1368, 22630), (1387, 22320), (1395, 22192), (1460, 21204), (1488, 20805), (1520, 20367), (1710, 18104), (1752, 17670), (1767, 17520), (1860, 16644), (2190, 14136), (2232, 13870), (2263, 13680), (2280, 13578), (2356, 13140), (2480, 12483), (2628, 11780), (2736, 11315), (2774, 11160), (2790, 11096), (2920, 10602), (2945, 10512), (3285, 9424), (3420, 9052), (3504, 8835), (3534, 8760), (3720, 8322), (4161, 7440), (4380, 7068), (4464, 6935), (4526, 6840), (4560, 6789), (4712, 6570), (5256, 5890), (5301, 5840), (5548, 5580)]