12009140

素因数分解:

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

素因数の和:82

約数の個数: 144

約数和(自身を含む): 33203520

約数和(自身を除く): 21194380

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 19, 20, 22, 26, 34, 38, 44, 52, 55, 65, 68, 76, 85, 95, 110, 130, 143, 169, 170, 187, 190, 209, 220, 221, 247, 260, 286, 323, 338, 340, 374, 380, 418, 442, 494, 572, 646, 676, 715, 748, 836, 845, 884, 935, 988, 1045, 1105, 1235, 1292, 1430, 1615, 1690, 1859, 1870, 2090, 2210, 2431, 2470, 2717, 2860, 2873, 3211, 3230, 3380, 3553, 3718, 3740, 4180, 4199, 4420, 4862, 4940, 5434, 5746, 6422, 6460, 7106, 7436, 8398, 9295, 9724, 10868, 11492, 12155, 12844, 13585, 14212, 14365, 16055, 16796, 17765, 18590, 20995, 24310, 27170, 28730, 31603, 32110, 35321, 35530, 37180, 41990, 46189, 48620, 54340, 54587, 57460, 63206, 64220, 70642, 71060, 83980, 92378, 109174, 126412, 141284, 158015, 176605, 184756, 218348, 230945, 272935, 316030, 353210, 461890, 545870, 600457, 632060, 706420, 923780, 1091740, 1200914, 2401828, 3002285, 6004570, 12009140]

約数ペア:

[(1, 12009140), (2, 6004570), (4, 3002285), (5, 2401828), (10, 1200914), (11, 1091740), (13, 923780), (17, 706420), (19, 632060), (20, 600457), (22, 545870), (26, 461890), (34, 353210), (38, 316030), (44, 272935), (52, 230945), (55, 218348), (65, 184756), (68, 176605), (76, 158015), (85, 141284), (95, 126412), (110, 109174), (130, 92378), (143, 83980), (169, 71060), (170, 70642), (187, 64220), (190, 63206), (209, 57460), (220, 54587), (221, 54340), (247, 48620), (260, 46189), (286, 41990), (323, 37180), (338, 35530), (340, 35321), (374, 32110), (380, 31603), (418, 28730), (442, 27170), (494, 24310), (572, 20995), (646, 18590), (676, 17765), (715, 16796), (748, 16055), (836, 14365), (845, 14212), (884, 13585), (935, 12844), (988, 12155), (1045, 11492), (1105, 10868), (1235, 9724), (1292, 9295), (1430, 8398), (1615, 7436), (1690, 7106), (1859, 6460), (1870, 6422), (2090, 5746), (2210, 5434), (2431, 4940), (2470, 4862), (2717, 4420), (2860, 4199), (2873, 4180), (3211, 3740), (3230, 3718), (3380, 3553)]