7742120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 18748800

約数和(自身を除く): 11006680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 167, 190, 244, 305, 334, 380, 488, 610, 668, 760, 835, 1159, 1220, 1336, 1670, 2318, 2440, 3173, 3340, 4636, 5795, 6346, 6680, 9272, 10187, 11590, 12692, 15865, 20374, 23180, 25384, 31730, 40748, 46360, 50935, 63460, 81496, 101870, 126920, 193553, 203740, 387106, 407480, 774212, 967765, 1548424, 1935530, 3871060, 7742120]

約数ペア:

[(1, 7742120), (2, 3871060), (4, 1935530), (5, 1548424), (8, 967765), (10, 774212), (19, 407480), (20, 387106), (38, 203740), (40, 193553), (61, 126920), (76, 101870), (95, 81496), (122, 63460), (152, 50935), (167, 46360), (190, 40748), (244, 31730), (305, 25384), (334, 23180), (380, 20374), (488, 15865), (610, 12692), (668, 11590), (760, 10187), (835, 9272), (1159, 6680), (1220, 6346), (1336, 5795), (1670, 4636), (2318, 3340), (2440, 3173)]