820180140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{6451}}^1$

素因数の和:6639

約数の個数: 96

約数和(自身を含む): 2488717056

約数和(自身を除く): 1668536916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 163, 195, 260, 326, 390, 489, 652, 780, 815, 978, 1630, 1956, 2119, 2445, 3260, 4238, 4890, 6357, 6451, 8476, 9780, 10595, 12714, 12902, 19353, 21190, 25428, 25804, 31785, 32255, 38706, 42380, 63570, 64510, 77412, 83863, 96765, 127140, 129020, 167726, 193530, 251589, 335452, 387060, 419315, 503178, 838630, 1006356, 1051513, 1257945, 1677260, 2103026, 2515890, 3154539, 4206052, 5031780, 5257565, 6309078, 10515130, 12618156, 13669669, 15772695, 21030260, 27339338, 31545390, 41009007, 54678676, 63090780, 68348345, 82018014, 136696690, 164036028, 205045035, 273393380, 410090070, 820180140]

約数ペア:

[(1, 820180140), (2, 410090070), (3, 273393380), (4, 205045035), (5, 164036028), (6, 136696690), (10, 82018014), (12, 68348345), (13, 63090780), (15, 54678676), (20, 41009007), (26, 31545390), (30, 27339338), (39, 21030260), (52, 15772695), (60, 13669669), (65, 12618156), (78, 10515130), (130, 6309078), (156, 5257565), (163, 5031780), (195, 4206052), (260, 3154539), (326, 2515890), (390, 2103026), (489, 1677260), (652, 1257945), (780, 1051513), (815, 1006356), (978, 838630), (1630, 503178), (1956, 419315), (2119, 387060), (2445, 335452), (3260, 251589), (4238, 193530), (4890, 167726), (6357, 129020), (6451, 127140), (8476, 96765), (9780, 83863), (10595, 77412), (12714, 64510), (12902, 63570), (19353, 42380), (21190, 38706), (25428, 32255), (25804, 31785)]