78036920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 201277440

約数和(自身を除く): 123240520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 47, 52, 62, 65, 94, 103, 104, 124, 130, 155, 188, 206, 235, 248, 260, 310, 376, 403, 412, 470, 515, 520, 611, 620, 806, 824, 940, 1030, 1222, 1240, 1339, 1457, 1612, 1880, 2015, 2060, 2444, 2678, 2914, 3055, 3193, 3224, 4030, 4120, 4841, 4888, 5356, 5828, 6110, 6386, 6695, 7285, 8060, 9682, 10712, 11656, 12220, 12772, 13390, 14570, 15965, 16120, 18941, 19364, 24205, 24440, 25544, 26780, 29140, 31930, 37882, 38728, 41509, 48410, 53560, 58280, 62933, 63860, 75764, 83018, 94705, 96820, 125866, 127720, 150071, 151528, 166036, 189410, 193640, 207545, 251732, 300142, 314665, 332072, 378820, 415090, 503464, 600284, 629330, 750355, 757640, 830180, 1200568, 1258660, 1500710, 1660360, 1950923, 2517320, 3001420, 3901846, 6002840, 7803692, 9754615, 15607384, 19509230, 39018460, 78036920]

約数ペア:

[(1, 78036920), (2, 39018460), (4, 19509230), (5, 15607384), (8, 9754615), (10, 7803692), (13, 6002840), (20, 3901846), (26, 3001420), (31, 2517320), (40, 1950923), (47, 1660360), (52, 1500710), (62, 1258660), (65, 1200568), (94, 830180), (103, 757640), (104, 750355), (124, 629330), (130, 600284), (155, 503464), (188, 415090), (206, 378820), (235, 332072), (248, 314665), (260, 300142), (310, 251732), (376, 207545), (403, 193640), (412, 189410), (470, 166036), (515, 151528), (520, 150071), (611, 127720), (620, 125866), (806, 96820), (824, 94705), (940, 83018), (1030, 75764), (1222, 63860), (1240, 62933), (1339, 58280), (1457, 53560), (1612, 48410), (1880, 41509), (2015, 38728), (2060, 37882), (2444, 31930), (2678, 29140), (2914, 26780), (3055, 25544), (3193, 24440), (3224, 24205), (4030, 19364), (4120, 18941), (4841, 16120), (4888, 15965), (5356, 14570), (5828, 13390), (6110, 12772), (6386, 12220), (6695, 11656), (7285, 10712), (8060, 9682)]