12648680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 34992000

約数和(自身を除く): 22343320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 89, 95, 110, 136, 152, 170, 178, 187, 190, 209, 220, 323, 340, 356, 374, 380, 418, 440, 445, 646, 680, 712, 748, 760, 836, 890, 935, 979, 1045, 1292, 1496, 1513, 1615, 1672, 1691, 1780, 1870, 1958, 2090, 2584, 3026, 3230, 3382, 3553, 3560, 3740, 3916, 4180, 4895, 6052, 6460, 6764, 7106, 7480, 7565, 7832, 8360, 8455, 9790, 12104, 12920, 13528, 14212, 15130, 16643, 16910, 17765, 18601, 19580, 28424, 28747, 30260, 33286, 33820, 35530, 37202, 39160, 57494, 60520, 66572, 67640, 71060, 74404, 83215, 93005, 114988, 133144, 142120, 143735, 148808, 166430, 186010, 229976, 287470, 316217, 332860, 372020, 574940, 632434, 665720, 744040, 1149880, 1264868, 1581085, 2529736, 3162170, 6324340, 12648680]

約数ペア:

[(1, 12648680), (2, 6324340), (4, 3162170), (5, 2529736), (8, 1581085), (10, 1264868), (11, 1149880), (17, 744040), (19, 665720), (20, 632434), (22, 574940), (34, 372020), (38, 332860), (40, 316217), (44, 287470), (55, 229976), (68, 186010), (76, 166430), (85, 148808), (88, 143735), (89, 142120), (95, 133144), (110, 114988), (136, 93005), (152, 83215), (170, 74404), (178, 71060), (187, 67640), (190, 66572), (209, 60520), (220, 57494), (323, 39160), (340, 37202), (356, 35530), (374, 33820), (380, 33286), (418, 30260), (440, 28747), (445, 28424), (646, 19580), (680, 18601), (712, 17765), (748, 16910), (760, 16643), (836, 15130), (890, 14212), (935, 13528), (979, 12920), (1045, 12104), (1292, 9790), (1496, 8455), (1513, 8360), (1615, 7832), (1672, 7565), (1691, 7480), (1780, 7106), (1870, 6764), (1958, 6460), (2090, 6052), (2584, 4895), (3026, 4180), (3230, 3916), (3382, 3740), (3553, 3560)]