647807760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{677}}^1$

素因数の和:1142

約数の個数: 160

約数和(自身を含む): 2239678080

約数和(自身を除く): 1591870320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 443, 540, 677, 720, 886, 1080, 1329, 1354, 1772, 2031, 2160, 2215, 2658, 2708, 3385, 3544, 3987, 4062, 4430, 5316, 5416, 6093, 6645, 6770, 7088, 7974, 8124, 8860, 10155, 10632, 10832, 11961, 12186, 13290, 13540, 15948, 16248, 17720, 18279, 19935, 20310, 21264, 23922, 24372, 26580, 27080, 30465, 31896, 32496, 35440, 36558, 39870, 40620, 47844, 48744, 53160, 54160, 59805, 60930, 63792, 73116, 79740, 81240, 91395, 95688, 97488, 106320, 119610, 121860, 146232, 159480, 162480, 182790, 191376, 239220, 243720, 292464, 299911, 318960, 365580, 478440, 487440, 599822, 731160, 899733, 956880, 1199644, 1462320, 1499555, 1799466, 2399288, 2699199, 2999110, 3598932, 4498665, 4798576, 5398398, 5998220, 7197864, 8097597, 8997330, 10796796, 11996440, 13495995, 14395728, 16195194, 17994660, 21593592, 23992880, 26991990, 32390388, 35989320, 40487985, 43187184, 53983980, 64780776, 71978640, 80975970, 107967960, 129561552, 161951940, 215935920, 323903880, 647807760]

約数ペア:

[(1, 647807760), (2, 323903880), (3, 215935920), (4, 161951940), (5, 129561552), (6, 107967960), (8, 80975970), (9, 71978640), (10, 64780776), (12, 53983980), (15, 43187184), (16, 40487985), (18, 35989320), (20, 32390388), (24, 26991990), (27, 23992880), (30, 21593592), (36, 17994660), (40, 16195194), (45, 14395728), (48, 13495995), (54, 11996440), (60, 10796796), (72, 8997330), (80, 8097597), (90, 7197864), (108, 5998220), (120, 5398398), (135, 4798576), (144, 4498665), (180, 3598932), (216, 2999110), (240, 2699199), (270, 2399288), (360, 1799466), (432, 1499555), (443, 1462320), (540, 1199644), (677, 956880), (720, 899733), (886, 731160), (1080, 599822), (1329, 487440), (1354, 478440), (1772, 365580), (2031, 318960), (2160, 299911), (2215, 292464), (2658, 243720), (2708, 239220), (3385, 191376), (3544, 182790), (3987, 162480), (4062, 159480), (4430, 146232), (5316, 121860), (5416, 119610), (6093, 106320), (6645, 97488), (6770, 95688), (7088, 91395), (7974, 81240), (8124, 79740), (8860, 73116), (10155, 63792), (10632, 60930), (10832, 59805), (11961, 54160), (12186, 53160), (13290, 48744), (13540, 47844), (15948, 40620), (16248, 39870), (17720, 36558), (18279, 35440), (19935, 32496), (20310, 31896), (21264, 30465), (23922, 27080), (24372, 26580)]