155015420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 387072000

約数和(自身を除く): 232056580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 343, 383, 413, 490, 590, 686, 766, 826, 980, 1180, 1372, 1532, 1652, 1715, 1915, 2065, 2681, 2891, 3430, 3830, 4130, 5362, 5782, 6860, 7660, 8260, 10724, 11564, 13405, 14455, 18767, 20237, 22597, 26810, 28910, 37534, 40474, 45194, 53620, 57820, 75068, 80948, 90388, 93835, 101185, 112985, 131369, 158179, 187670, 202370, 225970, 262738, 316358, 375340, 404740, 451940, 525476, 632716, 656845, 790895, 1107253, 1313690, 1581790, 2214506, 2627380, 3163580, 4429012, 5536265, 7750771, 11072530, 15501542, 22145060, 31003084, 38753855, 77507710, 155015420]

約数ペア:

[(1, 155015420), (2, 77507710), (4, 38753855), (5, 31003084), (7, 22145060), (10, 15501542), (14, 11072530), (20, 7750771), (28, 5536265), (35, 4429012), (49, 3163580), (59, 2627380), (70, 2214506), (98, 1581790), (118, 1313690), (140, 1107253), (196, 790895), (236, 656845), (245, 632716), (295, 525476), (343, 451940), (383, 404740), (413, 375340), (490, 316358), (590, 262738), (686, 225970), (766, 202370), (826, 187670), (980, 158179), (1180, 131369), (1372, 112985), (1532, 101185), (1652, 93835), (1715, 90388), (1915, 80948), (2065, 75068), (2681, 57820), (2891, 53620), (3430, 45194), (3830, 40474), (4130, 37534), (5362, 28910), (5782, 26810), (6860, 22597), (7660, 20237), (8260, 18767), (10724, 14455), (11564, 13405)]