128798800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 371976192

約数和(自身を除く): 243177392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 31, 34, 40, 47, 50, 52, 62, 65, 68, 80, 85, 94, 100, 104, 124, 130, 136, 155, 170, 188, 200, 208, 221, 235, 248, 260, 272, 310, 325, 340, 376, 400, 403, 425, 442, 470, 496, 520, 527, 611, 620, 650, 680, 752, 775, 799, 806, 850, 884, 940, 1040, 1054, 1105, 1175, 1222, 1240, 1300, 1360, 1457, 1550, 1598, 1612, 1700, 1768, 1880, 2015, 2108, 2210, 2350, 2444, 2480, 2600, 2635, 2914, 3055, 3100, 3196, 3224, 3400, 3536, 3760, 3995, 4030, 4216, 4420, 4700, 4888, 5200, 5270, 5525, 5828, 6110, 6200, 6392, 6448, 6800, 6851, 7285, 7990, 8060, 8432, 8840, 9400, 9776, 10075, 10387, 10540, 11050, 11656, 12220, 12400, 12784, 13175, 13702, 14570, 15275, 15980, 16120, 17680, 18800, 18941, 19975, 20150, 20774, 21080, 22100, 23312, 24440, 24769, 26350, 27404, 29140, 30550, 31960, 32240, 34255, 36425, 37882, 39950, 40300, 41548, 42160, 44200, 48880, 49538, 51935, 52700, 54808, 58280, 61100, 63920, 68510, 72850, 75764, 79900, 80600, 83096, 88400, 94705, 99076, 103870, 105400, 109616, 116560, 122200, 123845, 137020, 145700, 151528, 159800, 161200, 166192, 171275, 189410, 198152, 207740, 210800, 244400, 247690, 259675, 274040, 291400, 303056, 319600, 321997, 342550, 378820, 396304, 415480, 473525, 495380, 519350, 548080, 582800, 619225, 643994, 685100, 757640, 830960, 947050, 990760, 1038700, 1238450, 1287988, 1370200, 1515280, 1609985, 1894100, 1981520, 2077400, 2476900, 2575976, 2740400, 3219970, 3788200, 4154800, 4953800, 5151952, 6439940, 7576400, 8049925, 9907600, 12879880, 16099850, 25759760, 32199700, 64399400, 128798800]

約数ペア:

[(1, 128798800), (2, 64399400), (4, 32199700), (5, 25759760), (8, 16099850), (10, 12879880), (13, 9907600), (16, 8049925), (17, 7576400), (20, 6439940), (25, 5151952), (26, 4953800), (31, 4154800), (34, 3788200), (40, 3219970), (47, 2740400), (50, 2575976), (52, 2476900), (62, 2077400), (65, 1981520), (68, 1894100), (80, 1609985), (85, 1515280), (94, 1370200), (100, 1287988), (104, 1238450), (124, 1038700), (130, 990760), (136, 947050), (155, 830960), (170, 757640), (188, 685100), (200, 643994), (208, 619225), (221, 582800), (235, 548080), (248, 519350), (260, 495380), (272, 473525), (310, 415480), (325, 396304), (340, 378820), (376, 342550), (400, 321997), (403, 319600), (425, 303056), (442, 291400), (470, 274040), (496, 259675), (520, 247690), (527, 244400), (611, 210800), (620, 207740), (650, 198152), (680, 189410), (752, 171275), (775, 166192), (799, 161200), (806, 159800), (850, 151528), (884, 145700), (940, 137020), (1040, 123845), (1054, 122200), (1105, 116560), (1175, 109616), (1222, 105400), (1240, 103870), (1300, 99076), (1360, 94705), (1457, 88400), (1550, 83096), (1598, 80600), (1612, 79900), (1700, 75764), (1768, 72850), (1880, 68510), (2015, 63920), (2108, 61100), (2210, 58280), (2350, 54808), (2444, 52700), (2480, 51935), (2600, 49538), (2635, 48880), (2914, 44200), (3055, 42160), (3100, 41548), (3196, 40300), (3224, 39950), (3400, 37882), (3536, 36425), (3760, 34255), (3995, 32240), (4030, 31960), (4216, 30550), (4420, 29140), (4700, 27404), (4888, 26350), (5200, 24769), (5270, 24440), (5525, 23312), (5828, 22100), (6110, 21080), (6200, 20774), (6392, 20150), (6448, 19975), (6800, 18941), (6851, 18800), (7285, 17680), (7990, 16120), (8060, 15980), (8432, 15275), (8840, 14570), (9400, 13702), (9776, 13175), (10075, 12784), (10387, 12400), (10540, 12220), (11050, 11656)]