77839020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 272213760

約数和(自身を除く): 194374740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 210, 252, 315, 326, 379, 420, 489, 630, 652, 758, 815, 978, 1137, 1141, 1260, 1467, 1516, 1630, 1895, 1956, 2274, 2282, 2445, 2653, 2934, 3260, 3411, 3423, 3790, 4548, 4564, 4890, 5306, 5685, 5705, 5868, 6822, 6846, 7335, 7580, 7959, 9780, 10269, 10612, 11370, 11410, 13265, 13644, 13692, 14670, 15918, 17055, 17115, 20538, 22740, 22820, 23877, 26530, 29340, 31836, 34110, 34230, 39795, 41076, 47754, 51345, 53060, 61777, 68220, 68460, 79590, 95508, 102690, 119385, 123554, 159180, 185331, 205380, 238770, 247108, 308885, 370662, 432439, 477540, 555993, 617770, 741324, 864878, 926655, 1111986, 1235540, 1297317, 1729756, 1853310, 2162195, 2223972, 2594634, 2779965, 3706620, 3891951, 4324390, 5189268, 5559930, 6486585, 7783902, 8648780, 11119860, 12973170, 15567804, 19459755, 25946340, 38919510, 77839020]

約数ペア:

[(1, 77839020), (2, 38919510), (3, 25946340), (4, 19459755), (5, 15567804), (6, 12973170), (7, 11119860), (9, 8648780), (10, 7783902), (12, 6486585), (14, 5559930), (15, 5189268), (18, 4324390), (20, 3891951), (21, 3706620), (28, 2779965), (30, 2594634), (35, 2223972), (36, 2162195), (42, 1853310), (45, 1729756), (60, 1297317), (63, 1235540), (70, 1111986), (84, 926655), (90, 864878), (105, 741324), (126, 617770), (140, 555993), (163, 477540), (180, 432439), (210, 370662), (252, 308885), (315, 247108), (326, 238770), (379, 205380), (420, 185331), (489, 159180), (630, 123554), (652, 119385), (758, 102690), (815, 95508), (978, 79590), (1137, 68460), (1141, 68220), (1260, 61777), (1467, 53060), (1516, 51345), (1630, 47754), (1895, 41076), (1956, 39795), (2274, 34230), (2282, 34110), (2445, 31836), (2653, 29340), (2934, 26530), (3260, 23877), (3411, 22820), (3423, 22740), (3790, 20538), (4548, 17115), (4564, 17055), (4890, 15918), (5306, 14670), (5685, 13692), (5705, 13644), (5868, 13265), (6822, 11410), (6846, 11370), (7335, 10612), (7580, 10269), (7959, 9780)]