2781879680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{228773}}^1$

素因数の和:228811

約数の個数: 64

約数和(自身を含む): 7000484400

約数和(自身を除く): 4218604720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 228773, 457546, 915092, 1143865, 1830184, 2287730, 3660368, 4346687, 4575460, 7320736, 8693374, 9150920, 14641472, 17386748, 18301840, 21733435, 29282944, 34773496, 36603680, 43466870, 69546992, 73207360, 86933740, 139093984, 146414720, 173867480, 278187968, 347734960, 556375936, 695469920, 1390939840, 2781879680]

約数ペア:

[(1, 2781879680), (2, 1390939840), (4, 695469920), (5, 556375936), (8, 347734960), (10, 278187968), (16, 173867480), (19, 146414720), (20, 139093984), (32, 86933740), (38, 73207360), (40, 69546992), (64, 43466870), (76, 36603680), (80, 34773496), (95, 29282944), (128, 21733435), (152, 18301840), (160, 17386748), (190, 14641472), (304, 9150920), (320, 8693374), (380, 7320736), (608, 4575460), (640, 4346687), (760, 3660368), (1216, 2287730), (1520, 1830184), (2432, 1143865), (3040, 915092), (6080, 457546), (12160, 228773)]