31947720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 111248640

約数和(自身を除く): 79300920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 521, 584, 730, 840, 876, 1022, 1042, 1095, 1460, 1533, 1563, 1752, 2044, 2084, 2190, 2555, 2605, 2920, 3066, 3126, 3647, 4088, 4168, 4380, 5110, 5210, 6132, 6252, 7294, 7665, 7815, 8760, 10220, 10420, 10941, 12264, 12504, 14588, 15330, 15630, 18235, 20440, 20840, 21882, 29176, 30660, 31260, 36470, 38033, 43764, 54705, 61320, 62520, 72940, 76066, 87528, 109410, 114099, 145880, 152132, 190165, 218820, 228198, 266231, 304264, 380330, 437640, 456396, 532462, 570495, 760660, 798693, 912792, 1064924, 1140990, 1331155, 1521320, 1597386, 2129848, 2281980, 2662310, 3194772, 3993465, 4563960, 5324620, 6389544, 7986930, 10649240, 15973860, 31947720]

約数ペア:

[(1, 31947720), (2, 15973860), (3, 10649240), (4, 7986930), (5, 6389544), (6, 5324620), (7, 4563960), (8, 3993465), (10, 3194772), (12, 2662310), (14, 2281980), (15, 2129848), (20, 1597386), (21, 1521320), (24, 1331155), (28, 1140990), (30, 1064924), (35, 912792), (40, 798693), (42, 760660), (56, 570495), (60, 532462), (70, 456396), (73, 437640), (84, 380330), (105, 304264), (120, 266231), (140, 228198), (146, 218820), (168, 190165), (210, 152132), (219, 145880), (280, 114099), (292, 109410), (365, 87528), (420, 76066), (438, 72940), (511, 62520), (521, 61320), (584, 54705), (730, 43764), (840, 38033), (876, 36470), (1022, 31260), (1042, 30660), (1095, 29176), (1460, 21882), (1533, 20840), (1563, 20440), (1752, 18235), (2044, 15630), (2084, 15330), (2190, 14588), (2555, 12504), (2605, 12264), (2920, 10941), (3066, 10420), (3126, 10220), (3647, 8760), (4088, 7815), (4168, 7665), (4380, 7294), (5110, 6252), (5210, 6132)]