1847560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 128

約数和(自身を含む): 5443200

約数和(自身を除く): 3595640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 19, 20, 22, 26, 34, 38, 40, 44, 52, 55, 65, 68, 76, 85, 88, 95, 104, 110, 130, 136, 143, 152, 170, 187, 190, 209, 220, 221, 247, 260, 286, 323, 340, 374, 380, 418, 440, 442, 494, 520, 572, 646, 680, 715, 748, 760, 836, 884, 935, 988, 1045, 1105, 1144, 1235, 1292, 1430, 1496, 1615, 1672, 1768, 1870, 1976, 2090, 2210, 2431, 2470, 2584, 2717, 2860, 3230, 3553, 3740, 4180, 4199, 4420, 4862, 4940, 5434, 5720, 6460, 7106, 7480, 8360, 8398, 8840, 9724, 9880, 10868, 12155, 12920, 13585, 14212, 16796, 17765, 19448, 20995, 21736, 24310, 27170, 28424, 33592, 35530, 41990, 46189, 48620, 54340, 71060, 83980, 92378, 97240, 108680, 142120, 167960, 184756, 230945, 369512, 461890, 923780, 1847560]

約数ペア:

[(1, 1847560), (2, 923780), (4, 461890), (5, 369512), (8, 230945), (10, 184756), (11, 167960), (13, 142120), (17, 108680), (19, 97240), (20, 92378), (22, 83980), (26, 71060), (34, 54340), (38, 48620), (40, 46189), (44, 41990), (52, 35530), (55, 33592), (65, 28424), (68, 27170), (76, 24310), (85, 21736), (88, 20995), (95, 19448), (104, 17765), (110, 16796), (130, 14212), (136, 13585), (143, 12920), (152, 12155), (170, 10868), (187, 9880), (190, 9724), (209, 8840), (220, 8398), (221, 8360), (247, 7480), (260, 7106), (286, 6460), (323, 5720), (340, 5434), (374, 4940), (380, 4862), (418, 4420), (440, 4199), (442, 4180), (494, 3740), (520, 3553), (572, 3230), (646, 2860), (680, 2717), (715, 2584), (748, 2470), (760, 2431), (836, 2210), (884, 2090), (935, 1976), (988, 1870), (1045, 1768), (1105, 1672), (1144, 1615), (1235, 1496), (1292, 1430)]