688684080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5189}}^1$

素因数の和:5291

約数の個数: 160

約数和(自身を含む): 2471270400

約数和(自身を除く): 1782586320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 168, 210, 237, 240, 280, 316, 336, 395, 420, 474, 553, 560, 632, 790, 840, 948, 1106, 1185, 1264, 1580, 1659, 1680, 1896, 2212, 2370, 2765, 3160, 3318, 3792, 4424, 4740, 5189, 5530, 6320, 6636, 8295, 8848, 9480, 10378, 11060, 13272, 15567, 16590, 18960, 20756, 22120, 25945, 26544, 31134, 33180, 36323, 41512, 44240, 51890, 62268, 66360, 72646, 77835, 83024, 103780, 108969, 124536, 132720, 145292, 155670, 181615, 207560, 217938, 249072, 290584, 311340, 363230, 409931, 415120, 435876, 544845, 581168, 622680, 726460, 819862, 871752, 1089690, 1229793, 1245360, 1452920, 1639724, 1743504, 2049655, 2179380, 2459586, 2869517, 2905840, 3279448, 4099310, 4358760, 4919172, 5739034, 6148965, 6558896, 8198620, 8608551, 8717520, 9838344, 11478068, 12297930, 14347585, 16397240, 17217102, 19676688, 22956136, 24595860, 28695170, 32794480, 34434204, 43042755, 45912272, 49191720, 57390340, 68868408, 86085510, 98383440, 114780680, 137736816, 172171020, 229561360, 344342040, 688684080]

約数ペア:

[(1, 688684080), (2, 344342040), (3, 229561360), (4, 172171020), (5, 137736816), (6, 114780680), (7, 98383440), (8, 86085510), (10, 68868408), (12, 57390340), (14, 49191720), (15, 45912272), (16, 43042755), (20, 34434204), (21, 32794480), (24, 28695170), (28, 24595860), (30, 22956136), (35, 19676688), (40, 17217102), (42, 16397240), (48, 14347585), (56, 12297930), (60, 11478068), (70, 9838344), (79, 8717520), (80, 8608551), (84, 8198620), (105, 6558896), (112, 6148965), (120, 5739034), (140, 4919172), (158, 4358760), (168, 4099310), (210, 3279448), (237, 2905840), (240, 2869517), (280, 2459586), (316, 2179380), (336, 2049655), (395, 1743504), (420, 1639724), (474, 1452920), (553, 1245360), (560, 1229793), (632, 1089690), (790, 871752), (840, 819862), (948, 726460), (1106, 622680), (1185, 581168), (1264, 544845), (1580, 435876), (1659, 415120), (1680, 409931), (1896, 363230), (2212, 311340), (2370, 290584), (2765, 249072), (3160, 217938), (3318, 207560), (3792, 181615), (4424, 155670), (4740, 145292), (5189, 132720), (5530, 124536), (6320, 108969), (6636, 103780), (8295, 83024), (8848, 77835), (9480, 72646), (10378, 66360), (11060, 62268), (13272, 51890), (15567, 44240), (16590, 41512), (18960, 36323), (20756, 33180), (22120, 31134), (25945, 26544)]