123398520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3583}}^1$

素因数の和:3645

約数の個数: 128

約数和(自身を含む): 433520640

約数和(自身を除く): 310122120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2460, 2870, 3444, 3583, 4305, 4920, 5740, 6888, 7166, 8610, 10749, 11480, 14332, 17220, 17915, 21498, 25081, 28664, 34440, 35830, 42996, 50162, 53745, 71660, 75243, 85992, 100324, 107490, 125405, 143320, 146903, 150486, 200648, 214980, 250810, 293806, 300972, 376215, 429960, 440709, 501620, 587612, 601944, 734515, 752430, 881418, 1003240, 1028321, 1175224, 1469030, 1504860, 1762836, 2056642, 2203545, 2938060, 3009720, 3084963, 3525672, 4113284, 4407090, 5141605, 5876120, 6169926, 8226568, 8814180, 10283210, 12339852, 15424815, 17628360, 20566420, 24679704, 30849630, 41132840, 61699260, 123398520]

約数ペア:

[(1, 123398520), (2, 61699260), (3, 41132840), (4, 30849630), (5, 24679704), (6, 20566420), (7, 17628360), (8, 15424815), (10, 12339852), (12, 10283210), (14, 8814180), (15, 8226568), (20, 6169926), (21, 5876120), (24, 5141605), (28, 4407090), (30, 4113284), (35, 3525672), (40, 3084963), (41, 3009720), (42, 2938060), (56, 2203545), (60, 2056642), (70, 1762836), (82, 1504860), (84, 1469030), (105, 1175224), (120, 1028321), (123, 1003240), (140, 881418), (164, 752430), (168, 734515), (205, 601944), (210, 587612), (246, 501620), (280, 440709), (287, 429960), (328, 376215), (410, 300972), (420, 293806), (492, 250810), (574, 214980), (615, 200648), (820, 150486), (840, 146903), (861, 143320), (984, 125405), (1148, 107490), (1230, 100324), (1435, 85992), (1640, 75243), (1722, 71660), (2296, 53745), (2460, 50162), (2870, 42996), (3444, 35830), (3583, 34440), (4305, 28664), (4920, 25081), (5740, 21498), (6888, 17915), (7166, 17220), (8610, 14332), (10749, 11480)]