72295020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 252802368

約数和(自身を除く): 180507348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 181, 210, 252, 315, 317, 362, 420, 543, 630, 634, 724, 905, 951, 1086, 1260, 1267, 1268, 1585, 1629, 1810, 1902, 2172, 2219, 2534, 2715, 2853, 3170, 3258, 3620, 3801, 3804, 4438, 4755, 5068, 5430, 5706, 6335, 6340, 6516, 6657, 7602, 8145, 8876, 9510, 10860, 11095, 11403, 11412, 12670, 13314, 14265, 15204, 16290, 19005, 19020, 19971, 22190, 22806, 25340, 26628, 28530, 32580, 33285, 38010, 39942, 44380, 45612, 57015, 57060, 57377, 66570, 76020, 79884, 99855, 114030, 114754, 133140, 172131, 199710, 228060, 229508, 286885, 344262, 399420, 401639, 516393, 573770, 688524, 803278, 860655, 1032786, 1147540, 1204917, 1606556, 1721310, 2008195, 2065572, 2409834, 2581965, 3442620, 3614751, 4016390, 4819668, 5163930, 6024585, 7229502, 8032780, 10327860, 12049170, 14459004, 18073755, 24098340, 36147510, 72295020]

約数ペア:

[(1, 72295020), (2, 36147510), (3, 24098340), (4, 18073755), (5, 14459004), (6, 12049170), (7, 10327860), (9, 8032780), (10, 7229502), (12, 6024585), (14, 5163930), (15, 4819668), (18, 4016390), (20, 3614751), (21, 3442620), (28, 2581965), (30, 2409834), (35, 2065572), (36, 2008195), (42, 1721310), (45, 1606556), (60, 1204917), (63, 1147540), (70, 1032786), (84, 860655), (90, 803278), (105, 688524), (126, 573770), (140, 516393), (180, 401639), (181, 399420), (210, 344262), (252, 286885), (315, 229508), (317, 228060), (362, 199710), (420, 172131), (543, 133140), (630, 114754), (634, 114030), (724, 99855), (905, 79884), (951, 76020), (1086, 66570), (1260, 57377), (1267, 57060), (1268, 57015), (1585, 45612), (1629, 44380), (1810, 39942), (1902, 38010), (2172, 33285), (2219, 32580), (2534, 28530), (2715, 26628), (2853, 25340), (3170, 22806), (3258, 22190), (3620, 19971), (3801, 19020), (3804, 19005), (4438, 16290), (4755, 15204), (5068, 14265), (5430, 13314), (5706, 12670), (6335, 11412), (6340, 11403), (6516, 11095), (6657, 10860), (7602, 9510), (8145, 8876)]