440872020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1354

約数の個数: 144

約数和(自身を含む): 1400490000

約数和(自身を除く): 959617980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 53, 60, 74, 90, 106, 111, 148, 159, 180, 185, 212, 222, 265, 318, 333, 370, 444, 477, 530, 555, 636, 666, 740, 795, 954, 1060, 1110, 1249, 1332, 1590, 1665, 1908, 1961, 2220, 2385, 2498, 3180, 3330, 3747, 3922, 4770, 4996, 5883, 6245, 6660, 7494, 7844, 9540, 9805, 11241, 11766, 12490, 14988, 17649, 18735, 19610, 22482, 23532, 24980, 29415, 35298, 37470, 39220, 44964, 46213, 56205, 58830, 66197, 70596, 74940, 88245, 92426, 112410, 117660, 132394, 138639, 176490, 184852, 198591, 224820, 231065, 264788, 277278, 330985, 352980, 397182, 415917, 462130, 554556, 595773, 661970, 693195, 794364, 831834, 924260, 992955, 1191546, 1323940, 1386390, 1663668, 1985910, 2079585, 2383092, 2449289, 2772780, 2978865, 3971820, 4159170, 4898578, 5957730, 7347867, 8318340, 9797156, 11915460, 12246445, 14695734, 22043601, 24492890, 29391468, 36739335, 44087202, 48985780, 73478670, 88174404, 110218005, 146957340, 220436010, 440872020]

約数ペア:

[(1, 440872020), (2, 220436010), (3, 146957340), (4, 110218005), (5, 88174404), (6, 73478670), (9, 48985780), (10, 44087202), (12, 36739335), (15, 29391468), (18, 24492890), (20, 22043601), (30, 14695734), (36, 12246445), (37, 11915460), (45, 9797156), (53, 8318340), (60, 7347867), (74, 5957730), (90, 4898578), (106, 4159170), (111, 3971820), (148, 2978865), (159, 2772780), (180, 2449289), (185, 2383092), (212, 2079585), (222, 1985910), (265, 1663668), (318, 1386390), (333, 1323940), (370, 1191546), (444, 992955), (477, 924260), (530, 831834), (555, 794364), (636, 693195), (666, 661970), (740, 595773), (795, 554556), (954, 462130), (1060, 415917), (1110, 397182), (1249, 352980), (1332, 330985), (1590, 277278), (1665, 264788), (1908, 231065), (1961, 224820), (2220, 198591), (2385, 184852), (2498, 176490), (3180, 138639), (3330, 132394), (3747, 117660), (3922, 112410), (4770, 92426), (4996, 88245), (5883, 74940), (6245, 70596), (6660, 66197), (7494, 58830), (7844, 56205), (9540, 46213), (9805, 44964), (11241, 39220), (11766, 37470), (12490, 35298), (14988, 29415), (17649, 24980), (18735, 23532), (19610, 22482)]