2445846680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 5971968000

約数和(自身を除く): 3526121320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 191, 230, 248, 310, 382, 449, 460, 620, 713, 764, 898, 920, 955, 1240, 1426, 1528, 1796, 1910, 2245, 2852, 3565, 3592, 3820, 4393, 4490, 5704, 5921, 7130, 7640, 8786, 8980, 10327, 11842, 13919, 14260, 17572, 17960, 20654, 21965, 23684, 27838, 28520, 29605, 35144, 41308, 43930, 47368, 51635, 55676, 59210, 69595, 82616, 85759, 87860, 103270, 111352, 118420, 136183, 139190, 171518, 175720, 206540, 236840, 272366, 278380, 320137, 343036, 413080, 428795, 544732, 556760, 640274, 680915, 686072, 857590, 1089464, 1280548, 1361830, 1600685, 1715180, 1972457, 2561096, 2658529, 2723660, 3201370, 3430360, 3944914, 5317058, 5447320, 6402740, 7889828, 9862285, 10634116, 12805480, 13292645, 15779656, 19724570, 21268232, 26585290, 39449140, 53170580, 61146167, 78898280, 106341160, 122292334, 244584668, 305730835, 489169336, 611461670, 1222923340, 2445846680]

約数ペア:

[(1, 2445846680), (2, 1222923340), (4, 611461670), (5, 489169336), (8, 305730835), (10, 244584668), (20, 122292334), (23, 106341160), (31, 78898280), (40, 61146167), (46, 53170580), (62, 39449140), (92, 26585290), (115, 21268232), (124, 19724570), (155, 15779656), (184, 13292645), (191, 12805480), (230, 10634116), (248, 9862285), (310, 7889828), (382, 6402740), (449, 5447320), (460, 5317058), (620, 3944914), (713, 3430360), (764, 3201370), (898, 2723660), (920, 2658529), (955, 2561096), (1240, 1972457), (1426, 1715180), (1528, 1600685), (1796, 1361830), (1910, 1280548), (2245, 1089464), (2852, 857590), (3565, 686072), (3592, 680915), (3820, 640274), (4393, 556760), (4490, 544732), (5704, 428795), (5921, 413080), (7130, 343036), (7640, 320137), (8786, 278380), (8980, 272366), (10327, 236840), (11842, 206540), (13919, 175720), (14260, 171518), (17572, 139190), (17960, 136183), (20654, 118420), (21965, 111352), (23684, 103270), (27838, 87860), (28520, 85759), (29605, 82616), (35144, 69595), (41308, 59210), (43930, 55676), (47368, 51635)]