42409640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 119992320

約数和(自身を除く): 77582680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 182, 191, 244, 260, 280, 305, 364, 382, 427, 455, 488, 520, 610, 728, 764, 793, 854, 910, 955, 1220, 1337, 1528, 1586, 1708, 1820, 1910, 2135, 2440, 2483, 2674, 3172, 3416, 3640, 3820, 3965, 4270, 4966, 5348, 5551, 6344, 6685, 7640, 7930, 8540, 9932, 10696, 11102, 11651, 12415, 13370, 15860, 17080, 17381, 19864, 22204, 23302, 24830, 26740, 27755, 31720, 34762, 44408, 46604, 49660, 53480, 55510, 58255, 69524, 81557, 86905, 93208, 99320, 111020, 116510, 139048, 151463, 163114, 173810, 222040, 233020, 302926, 326228, 347620, 407785, 466040, 605852, 652456, 695240, 757315, 815570, 1060241, 1211704, 1514630, 1631140, 2120482, 3029260, 3262280, 4240964, 5301205, 6058520, 8481928, 10602410, 21204820, 42409640]

約数ペア:

[(1, 42409640), (2, 21204820), (4, 10602410), (5, 8481928), (7, 6058520), (8, 5301205), (10, 4240964), (13, 3262280), (14, 3029260), (20, 2120482), (26, 1631140), (28, 1514630), (35, 1211704), (40, 1060241), (52, 815570), (56, 757315), (61, 695240), (65, 652456), (70, 605852), (91, 466040), (104, 407785), (122, 347620), (130, 326228), (140, 302926), (182, 233020), (191, 222040), (244, 173810), (260, 163114), (280, 151463), (305, 139048), (364, 116510), (382, 111020), (427, 99320), (455, 93208), (488, 86905), (520, 81557), (610, 69524), (728, 58255), (764, 55510), (793, 53480), (854, 49660), (910, 46604), (955, 44408), (1220, 34762), (1337, 31720), (1528, 27755), (1586, 26740), (1708, 24830), (1820, 23302), (1910, 22204), (2135, 19864), (2440, 17381), (2483, 17080), (2674, 15860), (3172, 13370), (3416, 12415), (3640, 11651), (3820, 11102), (3965, 10696), (4270, 9932), (4966, 8540), (5348, 7930), (5551, 7640), (6344, 6685)]