56891340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 191842560

約数和(自身を除く): 134951220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 59, 60, 66, 90, 99, 110, 118, 132, 165, 177, 180, 198, 220, 236, 295, 330, 354, 396, 487, 495, 531, 590, 649, 660, 708, 885, 974, 990, 1062, 1180, 1298, 1461, 1770, 1947, 1948, 1980, 2124, 2435, 2596, 2655, 2922, 3245, 3540, 3894, 4383, 4870, 5310, 5357, 5841, 5844, 6490, 7305, 7788, 8766, 9735, 9740, 10620, 10714, 11682, 12980, 14610, 16071, 17532, 19470, 21428, 21915, 23364, 26785, 28733, 29205, 29220, 32142, 38940, 43830, 48213, 53570, 57466, 58410, 64284, 80355, 86199, 87660, 96426, 107140, 114932, 116820, 143665, 160710, 172398, 192852, 241065, 258597, 287330, 316063, 321420, 344796, 430995, 482130, 517194, 574660, 632126, 861990, 948189, 964260, 1034388, 1264252, 1292985, 1580315, 1723980, 1896378, 2585970, 2844567, 3160630, 3792756, 4740945, 5171940, 5689134, 6321260, 9481890, 11378268, 14222835, 18963780, 28445670, 56891340]

約数ペア:

[(1, 56891340), (2, 28445670), (3, 18963780), (4, 14222835), (5, 11378268), (6, 9481890), (9, 6321260), (10, 5689134), (11, 5171940), (12, 4740945), (15, 3792756), (18, 3160630), (20, 2844567), (22, 2585970), (30, 1896378), (33, 1723980), (36, 1580315), (44, 1292985), (45, 1264252), (55, 1034388), (59, 964260), (60, 948189), (66, 861990), (90, 632126), (99, 574660), (110, 517194), (118, 482130), (132, 430995), (165, 344796), (177, 321420), (180, 316063), (198, 287330), (220, 258597), (236, 241065), (295, 192852), (330, 172398), (354, 160710), (396, 143665), (487, 116820), (495, 114932), (531, 107140), (590, 96426), (649, 87660), (660, 86199), (708, 80355), (885, 64284), (974, 58410), (990, 57466), (1062, 53570), (1180, 48213), (1298, 43830), (1461, 38940), (1770, 32142), (1947, 29220), (1948, 29205), (1980, 28733), (2124, 26785), (2435, 23364), (2596, 21915), (2655, 21428), (2922, 19470), (3245, 17532), (3540, 16071), (3894, 14610), (4383, 12980), (4870, 11682), (5310, 10714), (5357, 10620), (5841, 9740), (5844, 9735), (6490, 8766), (7305, 7788)]