71335320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 246551040

約数和(自身を除く): 175215720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 163, 168, 210, 280, 326, 420, 489, 521, 652, 815, 840, 978, 1042, 1141, 1304, 1563, 1630, 1956, 2084, 2282, 2445, 2605, 3126, 3260, 3423, 3647, 3912, 4168, 4564, 4890, 5210, 5705, 6252, 6520, 6846, 7294, 7815, 9128, 9780, 10420, 10941, 11410, 12504, 13692, 14588, 15630, 17115, 18235, 19560, 20840, 21882, 22820, 27384, 29176, 31260, 34230, 36470, 43764, 45640, 54705, 62520, 68460, 72940, 84923, 87528, 109410, 136920, 145880, 169846, 218820, 254769, 339692, 424615, 437640, 509538, 594461, 679384, 849230, 1019076, 1188922, 1273845, 1698460, 1783383, 2038152, 2377844, 2547690, 2972305, 3396920, 3566766, 4755688, 5095380, 5944610, 7133532, 8916915, 10190760, 11889220, 14267064, 17833830, 23778440, 35667660, 71335320]

約数ペア:

[(1, 71335320), (2, 35667660), (3, 23778440), (4, 17833830), (5, 14267064), (6, 11889220), (7, 10190760), (8, 8916915), (10, 7133532), (12, 5944610), (14, 5095380), (15, 4755688), (20, 3566766), (21, 3396920), (24, 2972305), (28, 2547690), (30, 2377844), (35, 2038152), (40, 1783383), (42, 1698460), (56, 1273845), (60, 1188922), (70, 1019076), (84, 849230), (105, 679384), (120, 594461), (140, 509538), (163, 437640), (168, 424615), (210, 339692), (280, 254769), (326, 218820), (420, 169846), (489, 145880), (521, 136920), (652, 109410), (815, 87528), (840, 84923), (978, 72940), (1042, 68460), (1141, 62520), (1304, 54705), (1563, 45640), (1630, 43764), (1956, 36470), (2084, 34230), (2282, 31260), (2445, 29176), (2605, 27384), (3126, 22820), (3260, 21882), (3423, 20840), (3647, 19560), (3912, 18235), (4168, 17115), (4564, 15630), (4890, 14588), (5210, 13692), (5705, 12504), (6252, 11410), (6520, 10941), (6846, 10420), (7294, 9780), (7815, 9128)]