128615280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 419973120

約数和(自身を除く): 291357840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 59, 60, 62, 80, 93, 118, 120, 124, 155, 177, 186, 236, 240, 248, 293, 295, 310, 354, 372, 465, 472, 496, 586, 590, 620, 708, 744, 879, 885, 930, 944, 1172, 1180, 1240, 1416, 1465, 1488, 1758, 1770, 1829, 1860, 2344, 2360, 2480, 2832, 2930, 3516, 3540, 3658, 3720, 4395, 4688, 4720, 5487, 5860, 7032, 7080, 7316, 7440, 8790, 9083, 9145, 10974, 11720, 14064, 14160, 14632, 17287, 17580, 18166, 18290, 21948, 23440, 27249, 27435, 29264, 34574, 35160, 36332, 36580, 43896, 45415, 51861, 54498, 54870, 69148, 70320, 72664, 73160, 86435, 87792, 90830, 103722, 108996, 109740, 136245, 138296, 145328, 146320, 172870, 181660, 207444, 217992, 219480, 259305, 272490, 276592, 345740, 363320, 414888, 435984, 438960, 518610, 535897, 544980, 691480, 726640, 829776, 1037220, 1071794, 1089960, 1382960, 1607691, 2074440, 2143588, 2179920, 2679485, 3215382, 4148880, 4287176, 5358970, 6430764, 8038455, 8574352, 10717940, 12861528, 16076910, 21435880, 25723056, 32153820, 42871760, 64307640, 128615280]

約数ペア:

[(1, 128615280), (2, 64307640), (3, 42871760), (4, 32153820), (5, 25723056), (6, 21435880), (8, 16076910), (10, 12861528), (12, 10717940), (15, 8574352), (16, 8038455), (20, 6430764), (24, 5358970), (30, 4287176), (31, 4148880), (40, 3215382), (48, 2679485), (59, 2179920), (60, 2143588), (62, 2074440), (80, 1607691), (93, 1382960), (118, 1089960), (120, 1071794), (124, 1037220), (155, 829776), (177, 726640), (186, 691480), (236, 544980), (240, 535897), (248, 518610), (293, 438960), (295, 435984), (310, 414888), (354, 363320), (372, 345740), (465, 276592), (472, 272490), (496, 259305), (586, 219480), (590, 217992), (620, 207444), (708, 181660), (744, 172870), (879, 146320), (885, 145328), (930, 138296), (944, 136245), (1172, 109740), (1180, 108996), (1240, 103722), (1416, 90830), (1465, 87792), (1488, 86435), (1758, 73160), (1770, 72664), (1829, 70320), (1860, 69148), (2344, 54870), (2360, 54498), (2480, 51861), (2832, 45415), (2930, 43896), (3516, 36580), (3540, 36332), (3658, 35160), (3720, 34574), (4395, 29264), (4688, 27435), (4720, 27249), (5487, 23440), (5860, 21948), (7032, 18290), (7080, 18166), (7316, 17580), (7440, 17287), (8790, 14632), (9083, 14160), (9145, 14064), (10974, 11720)]