135920800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 354352320

約数和(自身を除く): 218431520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 83, 89, 92, 100, 115, 160, 166, 178, 184, 200, 230, 332, 356, 368, 400, 415, 445, 460, 575, 664, 712, 736, 800, 830, 890, 920, 1150, 1328, 1424, 1660, 1780, 1840, 1909, 2047, 2075, 2225, 2300, 2656, 2848, 3320, 3560, 3680, 3818, 4094, 4150, 4450, 4600, 6640, 7120, 7387, 7636, 8188, 8300, 8900, 9200, 9545, 10235, 13280, 14240, 14774, 15272, 16376, 16600, 17800, 18400, 19090, 20470, 29548, 30544, 32752, 33200, 35600, 36935, 38180, 40940, 47725, 51175, 59096, 61088, 65504, 66400, 71200, 73870, 76360, 81880, 95450, 102350, 118192, 147740, 152720, 163760, 169901, 184675, 190900, 204700, 236384, 295480, 305440, 327520, 339802, 369350, 381800, 409400, 590960, 679604, 738700, 763600, 818800, 849505, 1181920, 1359208, 1477400, 1527200, 1637600, 1699010, 2718416, 2954800, 3398020, 4247525, 5436832, 5909600, 6796040, 8495050, 13592080, 16990100, 27184160, 33980200, 67960400, 135920800]

約数ペア:

[(1, 135920800), (2, 67960400), (4, 33980200), (5, 27184160), (8, 16990100), (10, 13592080), (16, 8495050), (20, 6796040), (23, 5909600), (25, 5436832), (32, 4247525), (40, 3398020), (46, 2954800), (50, 2718416), (80, 1699010), (83, 1637600), (89, 1527200), (92, 1477400), (100, 1359208), (115, 1181920), (160, 849505), (166, 818800), (178, 763600), (184, 738700), (200, 679604), (230, 590960), (332, 409400), (356, 381800), (368, 369350), (400, 339802), (415, 327520), (445, 305440), (460, 295480), (575, 236384), (664, 204700), (712, 190900), (736, 184675), (800, 169901), (830, 163760), (890, 152720), (920, 147740), (1150, 118192), (1328, 102350), (1424, 95450), (1660, 81880), (1780, 76360), (1840, 73870), (1909, 71200), (2047, 66400), (2075, 65504), (2225, 61088), (2300, 59096), (2656, 51175), (2848, 47725), (3320, 40940), (3560, 38180), (3680, 36935), (3818, 35600), (4094, 33200), (4150, 32752), (4450, 30544), (4600, 29548), (6640, 20470), (7120, 19090), (7387, 18400), (7636, 17800), (8188, 16600), (8300, 16376), (8900, 15272), (9200, 14774), (9545, 14240), (10235, 13280)]