78386700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 261927680

約数和(自身を除く): 183540980

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, 84, 100, 105, 140, 150, 163, 175, 210, 229, 300, 326, 350, 420, 458, 489, 525, 652, 687, 700, 815, 916, 978, 1050, 1141, 1145, 1374, 1603, 1630, 1956, 2100, 2282, 2290, 2445, 2748, 3206, 3260, 3423, 3435, 4075, 4564, 4580, 4809, 4890, 5705, 5725, 6412, 6846, 6870, 8015, 8150, 9618, 9780, 11410, 11450, 12225, 13692, 13740, 16030, 16300, 17115, 17175, 19236, 22820, 22900, 24045, 24450, 28525, 32060, 34230, 34350, 37327, 40075, 48090, 48900, 57050, 68460, 68700, 74654, 80150, 85575, 96180, 111981, 114100, 120225, 149308, 160300, 171150, 186635, 223962, 240450, 261289, 342300, 373270, 447924, 480900, 522578, 559905, 746540, 783867, 933175, 1045156, 1119810, 1306445, 1567734, 1866350, 2239620, 2612890, 2799525, 3135468, 3732700, 3919335, 5225780, 5599050, 6532225, 7838670, 11198100, 13064450, 15677340, 19596675, 26128900, 39193350, 78386700]

約数ペア:

[(1, 78386700), (2, 39193350), (3, 26128900), (4, 19596675), (5, 15677340), (6, 13064450), (7, 11198100), (10, 7838670), (12, 6532225), (14, 5599050), (15, 5225780), (20, 3919335), (21, 3732700), (25, 3135468), (28, 2799525), (30, 2612890), (35, 2239620), (42, 1866350), (50, 1567734), (60, 1306445), (70, 1119810), (75, 1045156), (84, 933175), (100, 783867), (105, 746540), (140, 559905), (150, 522578), (163, 480900), (175, 447924), (210, 373270), (229, 342300), (300, 261289), (326, 240450), (350, 223962), (420, 186635), (458, 171150), (489, 160300), (525, 149308), (652, 120225), (687, 114100), (700, 111981), (815, 96180), (916, 85575), (978, 80150), (1050, 74654), (1141, 68700), (1145, 68460), (1374, 57050), (1603, 48900), (1630, 48090), (1956, 40075), (2100, 37327), (2282, 34350), (2290, 34230), (2445, 32060), (2748, 28525), (3206, 24450), (3260, 24045), (3423, 22900), (3435, 22820), (4075, 19236), (4564, 17175), (4580, 17115), (4809, 16300), (4890, 16030), (5705, 13740), (5725, 13692), (6412, 12225), (6846, 11450), (6870, 11410), (8015, 9780), (8150, 9618)]