78478920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 282063600

約数和(自身を除く): 203584680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 52, 60, 65, 72, 78, 82, 90, 104, 117, 120, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 312, 328, 360, 369, 390, 409, 410, 468, 492, 520, 533, 585, 615, 738, 780, 818, 820, 936, 984, 1066, 1170, 1227, 1230, 1476, 1560, 1599, 1636, 1640, 1845, 2045, 2132, 2340, 2454, 2460, 2665, 2952, 3198, 3272, 3681, 3690, 4090, 4264, 4680, 4797, 4908, 4920, 5317, 5330, 6135, 6396, 7362, 7380, 7995, 8180, 9594, 9816, 10634, 10660, 12270, 12792, 14724, 14760, 15951, 15990, 16360, 16769, 18405, 19188, 21268, 21320, 23985, 24540, 26585, 29448, 31902, 31980, 33538, 36810, 38376, 42536, 47853, 47970, 49080, 50307, 53170, 63804, 63960, 67076, 73620, 79755, 83845, 95706, 95940, 100614, 106340, 127608, 134152, 147240, 150921, 159510, 167690, 191412, 191880, 201228, 212680, 217997, 239265, 251535, 301842, 319020, 335380, 382824, 402456, 435994, 478530, 503070, 603684, 638040, 653991, 670760, 754605, 871988, 957060, 1006140, 1089985, 1207368, 1307982, 1509210, 1743976, 1914120, 1961973, 2012280, 2179970, 2615964, 3018420, 3269955, 3923946, 4359940, 5231928, 6036840, 6539910, 7847892, 8719880, 9809865, 13079820, 15695784, 19619730, 26159640, 39239460, 78478920]

約数ペア:

[(1, 78478920), (2, 39239460), (3, 26159640), (4, 19619730), (5, 15695784), (6, 13079820), (8, 9809865), (9, 8719880), (10, 7847892), (12, 6539910), (13, 6036840), (15, 5231928), (18, 4359940), (20, 3923946), (24, 3269955), (26, 3018420), (30, 2615964), (36, 2179970), (39, 2012280), (40, 1961973), (41, 1914120), (45, 1743976), (52, 1509210), (60, 1307982), (65, 1207368), (72, 1089985), (78, 1006140), (82, 957060), (90, 871988), (104, 754605), (117, 670760), (120, 653991), (123, 638040), (130, 603684), (156, 503070), (164, 478530), (180, 435994), (195, 402456), (205, 382824), (234, 335380), (246, 319020), (260, 301842), (312, 251535), (328, 239265), (360, 217997), (369, 212680), (390, 201228), (409, 191880), (410, 191412), (468, 167690), (492, 159510), (520, 150921), (533, 147240), (585, 134152), (615, 127608), (738, 106340), (780, 100614), (818, 95940), (820, 95706), (936, 83845), (984, 79755), (1066, 73620), (1170, 67076), (1227, 63960), (1230, 63804), (1476, 53170), (1560, 50307), (1599, 49080), (1636, 47970), (1640, 47853), (1845, 42536), (2045, 38376), (2132, 36810), (2340, 33538), (2454, 31980), (2460, 31902), (2665, 29448), (2952, 26585), (3198, 24540), (3272, 23985), (3681, 21320), (3690, 21268), (4090, 19188), (4264, 18405), (4680, 16769), (4797, 16360), (4908, 15990), (4920, 15951), (5317, 14760), (5330, 14724), (6135, 12792), (6396, 12270), (7362, 10660), (7380, 10634), (7995, 9816), (8180, 9594)]