199961640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{89}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 665601300

約数和(自身を除く): 465639660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 89, 90, 120, 158, 178, 180, 237, 267, 316, 356, 360, 395, 445, 474, 534, 632, 711, 712, 790, 801, 890, 948, 1068, 1185, 1335, 1422, 1580, 1602, 1780, 1896, 2136, 2370, 2670, 2844, 3160, 3204, 3555, 3560, 4005, 4740, 5340, 5688, 6241, 6408, 7031, 7110, 8010, 9480, 10680, 12482, 14062, 14220, 16020, 18723, 21093, 24964, 28124, 28440, 31205, 32040, 35155, 37446, 42186, 49928, 56169, 56248, 62410, 63279, 70310, 74892, 84372, 93615, 105465, 112338, 124820, 126558, 140620, 149784, 168744, 187230, 210930, 224676, 249640, 253116, 280845, 281240, 316395, 374460, 421860, 449352, 506232, 555449, 561690, 632790, 748920, 843720, 1110898, 1123380, 1265580, 1666347, 2221796, 2246760, 2531160, 2777245, 3332694, 4443592, 4999041, 5554490, 6665388, 8331735, 9998082, 11108980, 13330776, 16663470, 19996164, 22217960, 24995205, 33326940, 39992328, 49990410, 66653880, 99980820, 199961640]

約数ペア:

[(1, 199961640), (2, 99980820), (3, 66653880), (4, 49990410), (5, 39992328), (6, 33326940), (8, 24995205), (9, 22217960), (10, 19996164), (12, 16663470), (15, 13330776), (18, 11108980), (20, 9998082), (24, 8331735), (30, 6665388), (36, 5554490), (40, 4999041), (45, 4443592), (60, 3332694), (72, 2777245), (79, 2531160), (89, 2246760), (90, 2221796), (120, 1666347), (158, 1265580), (178, 1123380), (180, 1110898), (237, 843720), (267, 748920), (316, 632790), (356, 561690), (360, 555449), (395, 506232), (445, 449352), (474, 421860), (534, 374460), (632, 316395), (711, 281240), (712, 280845), (790, 253116), (801, 249640), (890, 224676), (948, 210930), (1068, 187230), (1185, 168744), (1335, 149784), (1422, 140620), (1580, 126558), (1602, 124820), (1780, 112338), (1896, 105465), (2136, 93615), (2370, 84372), (2670, 74892), (2844, 70310), (3160, 63279), (3204, 62410), (3555, 56248), (3560, 56169), (4005, 49928), (4740, 42186), (5340, 37446), (5688, 35155), (6241, 32040), (6408, 31205), (7031, 28440), (7110, 28124), (8010, 24964), (9480, 21093), (10680, 18723), (12482, 16020), (14062, 14220)]