128807700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:846

約数の個数: 144

約数和(自身を含む): 431639040

約数和(自身を除く): 302831340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 83, 84, 100, 105, 140, 150, 166, 175, 210, 249, 300, 332, 350, 415, 420, 498, 525, 581, 700, 739, 830, 996, 1050, 1162, 1245, 1478, 1660, 1743, 2075, 2100, 2217, 2324, 2490, 2905, 2956, 3486, 3695, 4150, 4434, 4980, 5173, 5810, 6225, 6972, 7390, 8300, 8715, 8868, 10346, 11085, 11620, 12450, 14525, 14780, 15519, 17430, 18475, 20692, 22170, 24900, 25865, 29050, 31038, 34860, 36950, 43575, 44340, 51730, 55425, 58100, 61337, 62076, 73900, 77595, 87150, 103460, 110850, 122674, 129325, 155190, 174300, 184011, 221700, 245348, 258650, 306685, 310380, 368022, 387975, 429359, 517300, 613370, 736044, 775950, 858718, 920055, 1226740, 1288077, 1533425, 1551900, 1717436, 1840110, 2146795, 2576154, 3066850, 3680220, 4293590, 4600275, 5152308, 6133700, 6440385, 8587180, 9200550, 10733975, 12880770, 18401100, 21467950, 25761540, 32201925, 42935900, 64403850, 128807700]

約数ペア:

[(1, 128807700), (2, 64403850), (3, 42935900), (4, 32201925), (5, 25761540), (6, 21467950), (7, 18401100), (10, 12880770), (12, 10733975), (14, 9200550), (15, 8587180), (20, 6440385), (21, 6133700), (25, 5152308), (28, 4600275), (30, 4293590), (35, 3680220), (42, 3066850), (50, 2576154), (60, 2146795), (70, 1840110), (75, 1717436), (83, 1551900), (84, 1533425), (100, 1288077), (105, 1226740), (140, 920055), (150, 858718), (166, 775950), (175, 736044), (210, 613370), (249, 517300), (300, 429359), (332, 387975), (350, 368022), (415, 310380), (420, 306685), (498, 258650), (525, 245348), (581, 221700), (700, 184011), (739, 174300), (830, 155190), (996, 129325), (1050, 122674), (1162, 110850), (1245, 103460), (1478, 87150), (1660, 77595), (1743, 73900), (2075, 62076), (2100, 61337), (2217, 58100), (2324, 55425), (2490, 51730), (2905, 44340), (2956, 43575), (3486, 36950), (3695, 34860), (4150, 31038), (4434, 29050), (4980, 25865), (5173, 24900), (5810, 22170), (6225, 20692), (6972, 18475), (7390, 17430), (8300, 15519), (8715, 14780), (8868, 14525), (10346, 12450), (11085, 11620)]