123647940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1078

約数の個数: 144

約数和(自身を含む): 411950448

約数和(自身を除く): 288302508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 636, 689, 780, 795, 954, 997, 1060, 1170, 1378, 1590, 1908, 1994, 2067, 2340, 2385, 2756, 2991, 3180, 3445, 3988, 4134, 4770, 4985, 5982, 6201, 6890, 8268, 8973, 9540, 9970, 10335, 11964, 12402, 12961, 13780, 14955, 17946, 19940, 20670, 24804, 25922, 29910, 31005, 35892, 38883, 41340, 44865, 51844, 52841, 59820, 62010, 64805, 77766, 89730, 105682, 116649, 124020, 129610, 155532, 158523, 179460, 194415, 211364, 233298, 259220, 264205, 317046, 388830, 466596, 475569, 528410, 583245, 634092, 686933, 777660, 792615, 951138, 1056820, 1166490, 1373866, 1585230, 1902276, 2060799, 2332980, 2377845, 2747732, 3170460, 3434665, 4121598, 4755690, 6182397, 6869330, 8243196, 9511380, 10303995, 12364794, 13738660, 20607990, 24729588, 30911985, 41215980, 61823970, 123647940]

約数ペア:

[(1, 123647940), (2, 61823970), (3, 41215980), (4, 30911985), (5, 24729588), (6, 20607990), (9, 13738660), (10, 12364794), (12, 10303995), (13, 9511380), (15, 8243196), (18, 6869330), (20, 6182397), (26, 4755690), (30, 4121598), (36, 3434665), (39, 3170460), (45, 2747732), (52, 2377845), (53, 2332980), (60, 2060799), (65, 1902276), (78, 1585230), (90, 1373866), (106, 1166490), (117, 1056820), (130, 951138), (156, 792615), (159, 777660), (180, 686933), (195, 634092), (212, 583245), (234, 528410), (260, 475569), (265, 466596), (318, 388830), (390, 317046), (468, 264205), (477, 259220), (530, 233298), (585, 211364), (636, 194415), (689, 179460), (780, 158523), (795, 155532), (954, 129610), (997, 124020), (1060, 116649), (1170, 105682), (1378, 89730), (1590, 77766), (1908, 64805), (1994, 62010), (2067, 59820), (2340, 52841), (2385, 51844), (2756, 44865), (2991, 41340), (3180, 38883), (3445, 35892), (3988, 31005), (4134, 29910), (4770, 25922), (4985, 24804), (5982, 20670), (6201, 19940), (6890, 17946), (8268, 14955), (8973, 13780), (9540, 12961), (9970, 12402), (10335, 11964)]