68408320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 88

約数和(自身を含む): 169786368

約数和(自身を除く): 101378048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 431, 496, 512, 620, 640, 862, 992, 1024, 1240, 1280, 1724, 1984, 2155, 2480, 2560, 3448, 3968, 4310, 4960, 5120, 6896, 7936, 8620, 9920, 13361, 13792, 15872, 17240, 19840, 26722, 27584, 31744, 34480, 39680, 53444, 55168, 66805, 68960, 79360, 106888, 110336, 133610, 137920, 158720, 213776, 220672, 267220, 275840, 427552, 441344, 534440, 551680, 855104, 1068880, 1103360, 1710208, 2137760, 2206720, 3420416, 4275520, 6840832, 8551040, 13681664, 17102080, 34204160, 68408320]

約数ペア:

[(1, 68408320), (2, 34204160), (4, 17102080), (5, 13681664), (8, 8551040), (10, 6840832), (16, 4275520), (20, 3420416), (31, 2206720), (32, 2137760), (40, 1710208), (62, 1103360), (64, 1068880), (80, 855104), (124, 551680), (128, 534440), (155, 441344), (160, 427552), (248, 275840), (256, 267220), (310, 220672), (320, 213776), (431, 158720), (496, 137920), (512, 133610), (620, 110336), (640, 106888), (862, 79360), (992, 68960), (1024, 66805), (1240, 55168), (1280, 53444), (1724, 39680), (1984, 34480), (2155, 31744), (2480, 27584), (2560, 26722), (3448, 19840), (3968, 17240), (4310, 15872), (4960, 13792), (5120, 13361), (6896, 9920), (7936, 8620)]