70245180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{983}}^1$

素因数の和:1395

約数の個数: 72

約数和(自身を含む): 213831072

約数和(自身を除く): 143585892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 983, 1191, 1588, 1966, 1985, 2382, 2949, 3573, 3932, 3970, 4764, 4915, 5898, 5955, 7146, 7940, 8847, 9830, 11796, 11910, 14292, 14745, 17694, 17865, 19660, 23820, 29490, 35388, 35730, 44235, 58980, 71460, 88470, 176940, 390251, 780502, 1170753, 1561004, 1951255, 2341506, 3512259, 3902510, 4683012, 5853765, 7024518, 7805020, 11707530, 14049036, 17561295, 23415060, 35122590, 70245180]

約数ペア:

[(1, 70245180), (2, 35122590), (3, 23415060), (4, 17561295), (5, 14049036), (6, 11707530), (9, 7805020), (10, 7024518), (12, 5853765), (15, 4683012), (18, 3902510), (20, 3512259), (30, 2341506), (36, 1951255), (45, 1561004), (60, 1170753), (90, 780502), (180, 390251), (397, 176940), (794, 88470), (983, 71460), (1191, 58980), (1588, 44235), (1966, 35730), (1985, 35388), (2382, 29490), (2949, 23820), (3573, 19660), (3932, 17865), (3970, 17694), (4764, 14745), (4915, 14292), (5898, 11910), (5955, 11796), (7146, 9830), (7940, 8847)]