7898989.00000000

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 221981760

約数和(自身を除く): 151902180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 181, 239, 270, 324, 362, 405, 478, 540, 543, 717, 724, 810, 905, 956, 1086, 1195, 1434, 1620, 1629, 1810, 2151, 2172, 2390, 2715, 2868, 3258, 3585, 3620, 4302, 4780, 4887, 5430, 6453, 6516, 7170, 8145, 8604, 9774, 10755, 10860, 12906, 14340, 14661, 16290, 19359, 19548, 21510, 24435, 25812, 29322, 32265, 32580, 38718, 43020, 43259, 48870, 58644, 64530, 73305, 77436, 86518, 96795, 97740, 129060, 129777, 146610, 173036, 193590, 216295, 259554, 293220, 387180, 389331, 432590, 519108, 648885, 778662, 865180, 1167993, 1297770, 1557324, 1946655, 2335986, 2595540, 3503979, 3893310, 4671972, 5839965, 7007958, 7786620, 11679930, 14015916, 17519895, 23359860, 35039790, 70079580]

約数ペア:

[(1, 70079580), (2, 35039790), (3, 23359860), (4, 17519895), (5, 14015916), (6, 11679930), (9, 7786620), (10, 7007958), (12, 5839965), (15, 4671972), (18, 3893310), (20, 3503979), (27, 2595540), (30, 2335986), (36, 1946655), (45, 1557324), (54, 1297770), (60, 1167993), (81, 865180), (90, 778662), (108, 648885), (135, 519108), (162, 432590), (180, 389331), (181, 387180), (239, 293220), (270, 259554), (324, 216295), (362, 193590), (405, 173036), (478, 146610), (540, 129777), (543, 129060), (717, 97740), (724, 96795), (810, 86518), (905, 77436), (956, 73305), (1086, 64530), (1195, 58644), (1434, 48870), (1620, 43259), (1629, 43020), (1810, 38718), (2151, 32580), (2172, 32265), (2390, 29322), (2715, 25812), (2868, 24435), (3258, 21510), (3585, 19548), (3620, 19359), (4302, 16290), (4780, 14661), (4887, 14340), (5430, 12906), (6453, 10860), (6516, 10755), (7170, 9774), (8145, 8604)]