639320580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1847}}^1$

素因数の和:2506

約数の個数: 96

約数和(自身を含む): 1993178880

約数和(自身を除く): 1353858300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 641, 1282, 1847, 1923, 2564, 3205, 3694, 3846, 5541, 5769, 6410, 7388, 7692, 9235, 9615, 11082, 11538, 12820, 16623, 17307, 18470, 19230, 22164, 23076, 27705, 28845, 33246, 34614, 36940, 38460, 49869, 55410, 57690, 66492, 69228, 83115, 86535, 99738, 110820, 115380, 166230, 173070, 199476, 249345, 332460, 346140, 498690, 997380, 1183927, 2367854, 3551781, 4735708, 5919635, 7103562, 10655343, 11839270, 14207124, 17758905, 21310686, 23678540, 31966029, 35517810, 42621372, 53276715, 63932058, 71035620, 106553430, 127864116, 159830145, 213106860, 319660290, 639320580]

約数ペア:

[(1, 639320580), (2, 319660290), (3, 213106860), (4, 159830145), (5, 127864116), (6, 106553430), (9, 71035620), (10, 63932058), (12, 53276715), (15, 42621372), (18, 35517810), (20, 31966029), (27, 23678540), (30, 21310686), (36, 17758905), (45, 14207124), (54, 11839270), (60, 10655343), (90, 7103562), (108, 5919635), (135, 4735708), (180, 3551781), (270, 2367854), (540, 1183927), (641, 997380), (1282, 498690), (1847, 346140), (1923, 332460), (2564, 249345), (3205, 199476), (3694, 173070), (3846, 166230), (5541, 115380), (5769, 110820), (6410, 99738), (7388, 86535), (7692, 83115), (9235, 69228), (9615, 66492), (11082, 57690), (11538, 55410), (12820, 49869), (16623, 38460), (17307, 36940), (18470, 34614), (19230, 33246), (22164, 28845), (23076, 27705)]