77758020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1031}}^1$

素因数の和:1465

約数の個数: 72

約数和(自身を含む): 236658240

約数和(自身を除く): 158900220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 1031, 1257, 1676, 2062, 2095, 2514, 3093, 3771, 4124, 4190, 5028, 5155, 6186, 6285, 7542, 8380, 9279, 10310, 12372, 12570, 15084, 15465, 18558, 18855, 20620, 25140, 30930, 37116, 37710, 46395, 61860, 75420, 92790, 185580, 431989, 863978, 1295967, 1727956, 2159945, 2591934, 3887901, 4319890, 5183868, 6479835, 7775802, 8639780, 12959670, 15551604, 19439505, 25919340, 38879010, 77758020]

約数ペア:

[(1, 77758020), (2, 38879010), (3, 25919340), (4, 19439505), (5, 15551604), (6, 12959670), (9, 8639780), (10, 7775802), (12, 6479835), (15, 5183868), (18, 4319890), (20, 3887901), (30, 2591934), (36, 2159945), (45, 1727956), (60, 1295967), (90, 863978), (180, 431989), (419, 185580), (838, 92790), (1031, 75420), (1257, 61860), (1676, 46395), (2062, 37710), (2095, 37116), (2514, 30930), (3093, 25140), (3771, 20620), (4124, 18855), (4190, 18558), (5028, 15465), (5155, 15084), (6186, 12570), (6285, 12372), (7542, 10310), (8380, 9279)]