128251890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 374976000

約数和(自身を除く): 246724110

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 61, 65, 78, 90, 117, 122, 130, 135, 183, 195, 234, 270, 305, 351, 366, 390, 549, 585, 599, 610, 702, 793, 915, 1098, 1170, 1198, 1586, 1647, 1755, 1797, 1830, 2379, 2745, 2995, 3294, 3510, 3594, 3965, 4758, 5391, 5490, 5990, 7137, 7787, 7930, 8235, 8985, 10782, 11895, 14274, 15574, 16173, 16470, 17970, 21411, 23361, 23790, 26955, 32346, 35685, 36539, 38935, 42822, 46722, 53910, 70083, 71370, 73078, 77870, 80865, 107055, 109617, 116805, 140166, 161730, 182695, 210249, 214110, 219234, 233610, 328851, 350415, 365390, 420498, 475007, 548085, 657702, 700830, 950014, 986553, 1051245, 1096170, 1425021, 1644255, 1973106, 2102490, 2375035, 2850042, 3288510, 4275063, 4750070, 4932765, 7125105, 8550126, 9865530, 12825189, 14250210, 21375315, 25650378, 42750630, 64125945, 128251890]

約数ペア:

[(1, 128251890), (2, 64125945), (3, 42750630), (5, 25650378), (6, 21375315), (9, 14250210), (10, 12825189), (13, 9865530), (15, 8550126), (18, 7125105), (26, 4932765), (27, 4750070), (30, 4275063), (39, 3288510), (45, 2850042), (54, 2375035), (61, 2102490), (65, 1973106), (78, 1644255), (90, 1425021), (117, 1096170), (122, 1051245), (130, 986553), (135, 950014), (183, 700830), (195, 657702), (234, 548085), (270, 475007), (305, 420498), (351, 365390), (366, 350415), (390, 328851), (549, 233610), (585, 219234), (599, 214110), (610, 210249), (702, 182695), (793, 161730), (915, 140166), (1098, 116805), (1170, 109617), (1198, 107055), (1586, 80865), (1647, 77870), (1755, 73078), (1797, 71370), (1830, 70083), (2379, 53910), (2745, 46722), (2995, 42822), (3294, 38935), (3510, 36539), (3594, 35685), (3965, 32346), (4758, 26955), (5391, 23790), (5490, 23361), (5990, 21411), (7137, 17970), (7787, 16470), (7930, 16173), (8235, 15574), (8985, 14274), (10782, 11895)]