720990108

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{2129}}^1$

素因数の和:2571

約数の個数: 72

約数和(自身を含む): 1907287200

約数和(自身を除く): 1186297092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 409, 414, 818, 828, 1227, 1636, 2129, 2454, 3681, 4258, 4908, 6387, 7362, 8516, 9407, 12774, 14724, 18814, 19161, 25548, 28221, 37628, 38322, 48967, 56442, 76644, 84663, 97934, 112884, 146901, 169326, 195868, 293802, 338652, 440703, 587604, 870761, 881406, 1741522, 1762812, 2612283, 3483044, 5224566, 7836849, 10449132, 15673698, 20027503, 31347396, 40055006, 60082509, 80110012, 120165018, 180247527, 240330036, 360495054, 720990108]

約数ペア:

[(1, 720990108), (2, 360495054), (3, 240330036), (4, 180247527), (6, 120165018), (9, 80110012), (12, 60082509), (18, 40055006), (23, 31347396), (36, 20027503), (46, 15673698), (69, 10449132), (92, 7836849), (138, 5224566), (207, 3483044), (276, 2612283), (409, 1762812), (414, 1741522), (818, 881406), (828, 870761), (1227, 587604), (1636, 440703), (2129, 338652), (2454, 293802), (3681, 195868), (4258, 169326), (4908, 146901), (6387, 112884), (7362, 97934), (8516, 84663), (9407, 76644), (12774, 56442), (14724, 48967), (18814, 38322), (19161, 37628), (25548, 28221)]