65405600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 144

約数和(自身を含む): 181550880

約数和(自身を除く): 116145280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 160, 190, 200, 208, 247, 260, 304, 325, 331, 380, 400, 416, 475, 494, 520, 608, 650, 662, 760, 800, 950, 988, 1040, 1235, 1300, 1324, 1520, 1655, 1900, 1976, 2080, 2470, 2600, 2648, 3040, 3310, 3800, 3952, 4303, 4940, 5200, 5296, 6175, 6289, 6620, 7600, 7904, 8275, 8606, 9880, 10400, 10592, 12350, 12578, 13240, 15200, 16550, 17212, 19760, 21515, 24700, 25156, 26480, 31445, 33100, 34424, 39520, 43030, 49400, 50312, 52960, 62890, 66200, 68848, 81757, 86060, 98800, 100624, 107575, 125780, 132400, 137696, 157225, 163514, 172120, 197600, 201248, 215150, 251560, 264800, 314450, 327028, 344240, 408785, 430300, 503120, 628900, 654056, 688480, 817570, 860600, 1006240, 1257800, 1308112, 1635140, 1721200, 2043925, 2515600, 2616224, 3270280, 3442400, 4087850, 5031200, 6540560, 8175700, 13081120, 16351400, 32702800, 65405600]

約数ペア:

[(1, 65405600), (2, 32702800), (4, 16351400), (5, 13081120), (8, 8175700), (10, 6540560), (13, 5031200), (16, 4087850), (19, 3442400), (20, 3270280), (25, 2616224), (26, 2515600), (32, 2043925), (38, 1721200), (40, 1635140), (50, 1308112), (52, 1257800), (65, 1006240), (76, 860600), (80, 817570), (95, 688480), (100, 654056), (104, 628900), (130, 503120), (152, 430300), (160, 408785), (190, 344240), (200, 327028), (208, 314450), (247, 264800), (260, 251560), (304, 215150), (325, 201248), (331, 197600), (380, 172120), (400, 163514), (416, 157225), (475, 137696), (494, 132400), (520, 125780), (608, 107575), (650, 100624), (662, 98800), (760, 86060), (800, 81757), (950, 68848), (988, 66200), (1040, 62890), (1235, 52960), (1300, 50312), (1324, 49400), (1520, 43030), (1655, 39520), (1900, 34424), (1976, 33100), (2080, 31445), (2470, 26480), (2600, 25156), (2648, 24700), (3040, 21515), (3310, 19760), (3800, 17212), (3952, 16550), (4303, 15200), (4940, 13240), (5200, 12578), (5296, 12350), (6175, 10592), (6289, 10400), (6620, 9880), (7600, 8606), (7904, 8275)]