30961680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 102850560

約数和(自身を除く): 71888880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 71, 79, 80, 92, 115, 120, 138, 142, 158, 184, 213, 230, 237, 240, 276, 284, 316, 345, 355, 368, 395, 426, 460, 474, 552, 568, 632, 690, 710, 790, 852, 920, 948, 1065, 1104, 1136, 1185, 1264, 1380, 1420, 1580, 1633, 1704, 1817, 1840, 1896, 2130, 2370, 2760, 2840, 3160, 3266, 3408, 3634, 3792, 4260, 4740, 4899, 5451, 5520, 5609, 5680, 6320, 6532, 7268, 8165, 8520, 9085, 9480, 9798, 10902, 11218, 13064, 14536, 16330, 16827, 17040, 18170, 18960, 19596, 21804, 22436, 24495, 26128, 27255, 28045, 29072, 32660, 33654, 36340, 39192, 43608, 44872, 48990, 54510, 56090, 65320, 67308, 72680, 78384, 84135, 87216, 89744, 97980, 109020, 112180, 129007, 130640, 134616, 145360, 168270, 195960, 218040, 224360, 258014, 269232, 336540, 387021, 391920, 436080, 448720, 516028, 645035, 673080, 774042, 1032056, 1290070, 1346160, 1548084, 1935105, 2064112, 2580140, 3096168, 3870210, 5160280, 6192336, 7740420, 10320560, 15480840, 30961680]

約数ペア:

[(1, 30961680), (2, 15480840), (3, 10320560), (4, 7740420), (5, 6192336), (6, 5160280), (8, 3870210), (10, 3096168), (12, 2580140), (15, 2064112), (16, 1935105), (20, 1548084), (23, 1346160), (24, 1290070), (30, 1032056), (40, 774042), (46, 673080), (48, 645035), (60, 516028), (69, 448720), (71, 436080), (79, 391920), (80, 387021), (92, 336540), (115, 269232), (120, 258014), (138, 224360), (142, 218040), (158, 195960), (184, 168270), (213, 145360), (230, 134616), (237, 130640), (240, 129007), (276, 112180), (284, 109020), (316, 97980), (345, 89744), (355, 87216), (368, 84135), (395, 78384), (426, 72680), (460, 67308), (474, 65320), (552, 56090), (568, 54510), (632, 48990), (690, 44872), (710, 43608), (790, 39192), (852, 36340), (920, 33654), (948, 32660), (1065, 29072), (1104, 28045), (1136, 27255), (1185, 26128), (1264, 24495), (1380, 22436), (1420, 21804), (1580, 19596), (1633, 18960), (1704, 18170), (1817, 17040), (1840, 16827), (1896, 16330), (2130, 14536), (2370, 13064), (2760, 11218), (2840, 10902), (3160, 9798), (3266, 9480), (3408, 9085), (3634, 8520), (3792, 8165), (4260, 7268), (4740, 6532), (4899, 6320), (5451, 5680), (5520, 5609)]