147749720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 374077440

約数和(自身を除く): 226327720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 43, 62, 68, 85, 86, 124, 136, 155, 163, 170, 172, 215, 248, 310, 326, 340, 344, 430, 527, 620, 652, 680, 731, 815, 860, 1054, 1240, 1304, 1333, 1462, 1630, 1720, 2108, 2635, 2666, 2771, 2924, 3260, 3655, 4216, 5053, 5270, 5332, 5542, 5848, 6520, 6665, 7009, 7310, 10106, 10540, 10664, 11084, 13330, 13855, 14018, 14620, 20212, 21080, 22168, 22661, 25265, 26660, 27710, 28036, 29240, 35045, 40424, 45322, 50530, 53320, 55420, 56072, 70090, 85901, 90644, 101060, 110840, 113305, 119153, 140180, 171802, 181288, 202120, 217279, 226610, 238306, 280360, 343604, 429505, 434558, 453220, 476612, 595765, 687208, 859010, 869116, 906440, 953224, 1086395, 1191530, 1718020, 1738232, 2172790, 2383060, 3436040, 3693743, 4345580, 4766120, 7387486, 8691160, 14774972, 18468715, 29549944, 36937430, 73874860, 147749720]

約数ペア:

[(1, 147749720), (2, 73874860), (4, 36937430), (5, 29549944), (8, 18468715), (10, 14774972), (17, 8691160), (20, 7387486), (31, 4766120), (34, 4345580), (40, 3693743), (43, 3436040), (62, 2383060), (68, 2172790), (85, 1738232), (86, 1718020), (124, 1191530), (136, 1086395), (155, 953224), (163, 906440), (170, 869116), (172, 859010), (215, 687208), (248, 595765), (310, 476612), (326, 453220), (340, 434558), (344, 429505), (430, 343604), (527, 280360), (620, 238306), (652, 226610), (680, 217279), (731, 202120), (815, 181288), (860, 171802), (1054, 140180), (1240, 119153), (1304, 113305), (1333, 110840), (1462, 101060), (1630, 90644), (1720, 85901), (2108, 70090), (2635, 56072), (2666, 55420), (2771, 53320), (2924, 50530), (3260, 45322), (3655, 40424), (4216, 35045), (5053, 29240), (5270, 28036), (5332, 27710), (5542, 26660), (5848, 25265), (6520, 22661), (6665, 22168), (7009, 21080), (7310, 20212), (10106, 14620), (10540, 14018), (10664, 13855), (11084, 13330)]