12978420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2377}}^1$

素因数の和:2409

約数の個数: 96

約数和(自身を含む): 44744448

約数和(自身を除く): 31766028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2377, 2730, 4754, 5460, 7131, 9508, 11885, 14262, 16639, 23770, 28524, 30901, 33278, 35655, 47540, 49917, 61802, 66556, 71310, 83195, 92703, 99834, 123604, 142620, 154505, 166390, 185406, 199668, 216307, 249585, 309010, 332780, 370812, 432614, 463515, 499170, 618020, 648921, 865228, 927030, 998340, 1081535, 1297842, 1854060, 2163070, 2595684, 3244605, 4326140, 6489210, 12978420]

約数ペア:

[(1, 12978420), (2, 6489210), (3, 4326140), (4, 3244605), (5, 2595684), (6, 2163070), (7, 1854060), (10, 1297842), (12, 1081535), (13, 998340), (14, 927030), (15, 865228), (20, 648921), (21, 618020), (26, 499170), (28, 463515), (30, 432614), (35, 370812), (39, 332780), (42, 309010), (52, 249585), (60, 216307), (65, 199668), (70, 185406), (78, 166390), (84, 154505), (91, 142620), (105, 123604), (130, 99834), (140, 92703), (156, 83195), (182, 71310), (195, 66556), (210, 61802), (260, 49917), (273, 47540), (364, 35655), (390, 33278), (420, 30901), (455, 28524), (546, 23770), (780, 16639), (910, 14262), (1092, 11885), (1365, 9508), (1820, 7131), (2377, 5460), (2730, 4754)]