18475600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 240

約数和(自身を含む): 58121280

約数和(自身を除く): 39645680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 19, 20, 22, 25, 26, 34, 38, 40, 44, 50, 52, 55, 65, 68, 76, 80, 85, 88, 95, 100, 104, 110, 130, 136, 143, 152, 170, 176, 187, 190, 200, 208, 209, 220, 221, 247, 260, 272, 275, 286, 304, 323, 325, 340, 374, 380, 400, 418, 425, 440, 442, 475, 494, 520, 550, 572, 646, 650, 680, 715, 748, 760, 836, 850, 880, 884, 935, 950, 988, 1040, 1045, 1100, 1105, 1144, 1235, 1292, 1300, 1360, 1430, 1496, 1520, 1615, 1672, 1700, 1768, 1870, 1900, 1976, 2090, 2200, 2210, 2288, 2431, 2470, 2584, 2600, 2717, 2860, 2992, 3230, 3344, 3400, 3536, 3553, 3575, 3740, 3800, 3952, 4180, 4199, 4400, 4420, 4675, 4862, 4940, 5168, 5200, 5225, 5434, 5525, 5720, 6175, 6460, 6800, 7106, 7150, 7480, 7600, 8075, 8360, 8398, 8840, 9350, 9724, 9880, 10450, 10868, 11050, 11440, 12155, 12350, 12920, 13585, 14212, 14300, 14960, 16150, 16720, 16796, 17680, 17765, 18700, 19448, 19760, 20900, 20995, 21736, 22100, 24310, 24700, 25840, 27170, 28424, 28600, 32300, 33592, 35530, 37400, 38896, 41800, 41990, 43472, 44200, 46189, 48620, 49400, 54340, 56848, 57200, 60775, 64600, 67184, 67925, 71060, 74800, 83600, 83980, 88400, 88825, 92378, 97240, 98800, 104975, 108680, 121550, 129200, 135850, 142120, 167960, 177650, 184756, 194480, 209950, 217360, 230945, 243100, 271700, 284240, 335920, 355300, 369512, 419900, 461890, 486200, 543400, 710600, 739024, 839800, 923780, 972400, 1086800, 1154725, 1421200, 1679600, 1847560, 2309450, 3695120, 4618900, 9237800, 18475600]

約数ペア:

[(1, 18475600), (2, 9237800), (4, 4618900), (5, 3695120), (8, 2309450), (10, 1847560), (11, 1679600), (13, 1421200), (16, 1154725), (17, 1086800), (19, 972400), (20, 923780), (22, 839800), (25, 739024), (26, 710600), (34, 543400), (38, 486200), (40, 461890), (44, 419900), (50, 369512), (52, 355300), (55, 335920), (65, 284240), (68, 271700), (76, 243100), (80, 230945), (85, 217360), (88, 209950), (95, 194480), (100, 184756), (104, 177650), (110, 167960), (130, 142120), (136, 135850), (143, 129200), (152, 121550), (170, 108680), (176, 104975), (187, 98800), (190, 97240), (200, 92378), (208, 88825), (209, 88400), (220, 83980), (221, 83600), (247, 74800), (260, 71060), (272, 67925), (275, 67184), (286, 64600), (304, 60775), (323, 57200), (325, 56848), (340, 54340), (374, 49400), (380, 48620), (400, 46189), (418, 44200), (425, 43472), (440, 41990), (442, 41800), (475, 38896), (494, 37400), (520, 35530), (550, 33592), (572, 32300), (646, 28600), (650, 28424), (680, 27170), (715, 25840), (748, 24700), (760, 24310), (836, 22100), (850, 21736), (880, 20995), (884, 20900), (935, 19760), (950, 19448), (988, 18700), (1040, 17765), (1045, 17680), (1100, 16796), (1105, 16720), (1144, 16150), (1235, 14960), (1292, 14300), (1300, 14212), (1360, 13585), (1430, 12920), (1496, 12350), (1520, 12155), (1615, 11440), (1672, 11050), (1700, 10868), (1768, 10450), (1870, 9880), (1900, 9724), (1976, 9350), (2090, 8840), (2200, 8398), (2210, 8360), (2288, 8075), (2431, 7600), (2470, 7480), (2584, 7150), (2600, 7106), (2717, 6800), (2860, 6460), (2992, 6175), (3230, 5720), (3344, 5525), (3400, 5434), (3536, 5225), (3553, 5200), (3575, 5168), (3740, 4940), (3800, 4862), (3952, 4675), (4180, 4420), (4199, 4400)]