19768680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:723

約数の個数: 96

約数和(自身を含む): 65075400

約数和(自身を除く): 45306720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 178, 180, 267, 356, 360, 445, 534, 617, 712, 801, 890, 1068, 1234, 1335, 1602, 1780, 1851, 2136, 2468, 2670, 3085, 3204, 3560, 3702, 4005, 4936, 5340, 5553, 6170, 6408, 7404, 8010, 9255, 10680, 11106, 12340, 14808, 16020, 18510, 22212, 24680, 27765, 32040, 37020, 44424, 54913, 55530, 74040, 109826, 111060, 164739, 219652, 222120, 274565, 329478, 439304, 494217, 549130, 658956, 823695, 988434, 1098260, 1317912, 1647390, 1976868, 2196520, 2471085, 3294780, 3953736, 4942170, 6589560, 9884340, 19768680]

約数ペア:

[(1, 19768680), (2, 9884340), (3, 6589560), (4, 4942170), (5, 3953736), (6, 3294780), (8, 2471085), (9, 2196520), (10, 1976868), (12, 1647390), (15, 1317912), (18, 1098260), (20, 988434), (24, 823695), (30, 658956), (36, 549130), (40, 494217), (45, 439304), (60, 329478), (72, 274565), (89, 222120), (90, 219652), (120, 164739), (178, 111060), (180, 109826), (267, 74040), (356, 55530), (360, 54913), (445, 44424), (534, 37020), (617, 32040), (712, 27765), (801, 24680), (890, 22212), (1068, 18510), (1234, 16020), (1335, 14808), (1602, 12340), (1780, 11106), (1851, 10680), (2136, 9255), (2468, 8010), (2670, 7404), (3085, 6408), (3204, 6170), (3560, 5553), (3702, 5340), (4005, 4936)]