78915480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13421}}^1$

素因数の和:13449

約数の個数: 96

約数和(自身を含む): 275419440

約数和(自身を除く): 196503960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 13421, 26842, 40263, 53684, 67105, 80526, 93947, 107368, 134210, 161052, 187894, 201315, 268420, 281841, 322104, 375788, 402630, 469735, 536840, 563682, 657629, 751576, 805260, 939470, 1127364, 1315258, 1409205, 1610520, 1878940, 1972887, 2254728, 2630516, 2818410, 3288145, 3757880, 3945774, 5261032, 5636820, 6576290, 7891548, 9864435, 11273640, 13152580, 15783096, 19728870, 26305160, 39457740, 78915480]

約数ペア:

[(1, 78915480), (2, 39457740), (3, 26305160), (4, 19728870), (5, 15783096), (6, 13152580), (7, 11273640), (8, 9864435), (10, 7891548), (12, 6576290), (14, 5636820), (15, 5261032), (20, 3945774), (21, 3757880), (24, 3288145), (28, 2818410), (30, 2630516), (35, 2254728), (40, 1972887), (42, 1878940), (49, 1610520), (56, 1409205), (60, 1315258), (70, 1127364), (84, 939470), (98, 805260), (105, 751576), (120, 657629), (140, 563682), (147, 536840), (168, 469735), (196, 402630), (210, 375788), (245, 322104), (280, 281841), (294, 268420), (392, 201315), (420, 187894), (490, 161052), (588, 134210), (735, 107368), (840, 93947), (980, 80526), (1176, 67105), (1470, 53684), (1960, 40263), (2940, 26842), (5880, 13421)]