64399400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 179988480

約数和(自身を除く): 115589080

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 31, 34, 40, 47, 50, 52, 62, 65, 68, 85, 94, 100, 104, 124, 130, 136, 155, 170, 188, 200, 221, 235, 248, 260, 310, 325, 340, 376, 403, 425, 442, 470, 520, 527, 611, 620, 650, 680, 775, 799, 806, 850, 884, 940, 1054, 1105, 1175, 1222, 1240, 1300, 1457, 1550, 1598, 1612, 1700, 1768, 1880, 2015, 2108, 2210, 2350, 2444, 2600, 2635, 2914, 3055, 3100, 3196, 3224, 3400, 3995, 4030, 4216, 4420, 4700, 4888, 5270, 5525, 5828, 6110, 6200, 6392, 6851, 7285, 7990, 8060, 8840, 9400, 10075, 10387, 10540, 11050, 11656, 12220, 13175, 13702, 14570, 15275, 15980, 16120, 18941, 19975, 20150, 20774, 21080, 22100, 24440, 24769, 26350, 27404, 29140, 30550, 31960, 34255, 36425, 37882, 39950, 40300, 41548, 44200, 49538, 51935, 52700, 54808, 58280, 61100, 68510, 72850, 75764, 79900, 80600, 83096, 94705, 99076, 103870, 105400, 122200, 123845, 137020, 145700, 151528, 159800, 171275, 189410, 198152, 207740, 247690, 259675, 274040, 291400, 321997, 342550, 378820, 415480, 473525, 495380, 519350, 619225, 643994, 685100, 757640, 947050, 990760, 1038700, 1238450, 1287988, 1370200, 1609985, 1894100, 2077400, 2476900, 2575976, 3219970, 3788200, 4953800, 6439940, 8049925, 12879880, 16099850, 32199700, 64399400]

約数ペア:

[(1, 64399400), (2, 32199700), (4, 16099850), (5, 12879880), (8, 8049925), (10, 6439940), (13, 4953800), (17, 3788200), (20, 3219970), (25, 2575976), (26, 2476900), (31, 2077400), (34, 1894100), (40, 1609985), (47, 1370200), (50, 1287988), (52, 1238450), (62, 1038700), (65, 990760), (68, 947050), (85, 757640), (94, 685100), (100, 643994), (104, 619225), (124, 519350), (130, 495380), (136, 473525), (155, 415480), (170, 378820), (188, 342550), (200, 321997), (221, 291400), (235, 274040), (248, 259675), (260, 247690), (310, 207740), (325, 198152), (340, 189410), (376, 171275), (403, 159800), (425, 151528), (442, 145700), (470, 137020), (520, 123845), (527, 122200), (611, 105400), (620, 103870), (650, 99076), (680, 94705), (775, 83096), (799, 80600), (806, 79900), (850, 75764), (884, 72850), (940, 68510), (1054, 61100), (1105, 58280), (1175, 54808), (1222, 52700), (1240, 51935), (1300, 49538), (1457, 44200), (1550, 41548), (1598, 40300), (1612, 39950), (1700, 37882), (1768, 36425), (1880, 34255), (2015, 31960), (2108, 30550), (2210, 29140), (2350, 27404), (2444, 26350), (2600, 24769), (2635, 24440), (2914, 22100), (3055, 21080), (3100, 20774), (3196, 20150), (3224, 19975), (3400, 18941), (3995, 16120), (4030, 15980), (4216, 15275), (4420, 14570), (4700, 13702), (4888, 13175), (5270, 12220), (5525, 11656), (5828, 11050), (6110, 10540), (6200, 10387), (6392, 10075), (6851, 9400), (7285, 8840), (7990, 8060)]