272641280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6871}}^1$

素因数の和:6923

約数の個数: 72

約数和(自身を含む): 674225664

約数和(自身を除く): 401584384

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, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 6871, 7936, 9920, 13742, 19840, 27484, 34355, 39680, 54968, 68710, 109936, 137420, 213001, 219872, 274840, 426002, 439744, 549680, 852004, 879488, 1065005, 1099360, 1704008, 1758976, 2130010, 2198720, 3408016, 4260020, 4397440, 6816032, 8520040, 8794880, 13632064, 17040080, 27264128, 34080160, 54528256, 68160320, 136320640, 272641280]

約数ペア:

[(1, 272641280), (2, 136320640), (4, 68160320), (5, 54528256), (8, 34080160), (10, 27264128), (16, 17040080), (20, 13632064), (31, 8794880), (32, 8520040), (40, 6816032), (62, 4397440), (64, 4260020), (80, 3408016), (124, 2198720), (128, 2130010), (155, 1758976), (160, 1704008), (248, 1099360), (256, 1065005), (310, 879488), (320, 852004), (496, 549680), (620, 439744), (640, 426002), (992, 274840), (1240, 219872), (1280, 213001), (1984, 137420), (2480, 109936), (3968, 68710), (4960, 54968), (6871, 39680), (7936, 34355), (9920, 27484), (13742, 19840)]