2856562020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71809}}^1$

素因数の和:71854

約数の個数: 144

約数和(自身を含む): 9880481520

約数和(自身を除く): 7023919500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 39780, 71809, 143618, 215427, 287236, 359045, 430854, 646281, 718090, 861708, 933517, 1077135, 1220753, 1292562, 1436180, 1867034, 2154270, 2441506, 2585124, 2800551, 3231405, 3662259, 3734068, 4308540, 4667585, 4883012, 5601102, 6103765, 6462810, 7324518, 8401653, 9335170, 10986777, 11202204, 12207530, 12925620, 14002755, 14649036, 15869789, 16803306, 18311295, 18670340, 21973554, 24415060, 28005510, 31739578, 33606612, 36622590, 42008265, 43947108, 47609367, 54933885, 56011020, 63479156, 73245180, 79348945, 84016530, 95218734, 109867770, 142828101, 158697890, 168033060, 190437468, 219735540, 238046835, 285656202, 317395780, 476093670, 571312404, 714140505, 952187340, 1428281010, 2856562020]

約数ペア:

[(1, 2856562020), (2, 1428281010), (3, 952187340), (4, 714140505), (5, 571312404), (6, 476093670), (9, 317395780), (10, 285656202), (12, 238046835), (13, 219735540), (15, 190437468), (17, 168033060), (18, 158697890), (20, 142828101), (26, 109867770), (30, 95218734), (34, 84016530), (36, 79348945), (39, 73245180), (45, 63479156), (51, 56011020), (52, 54933885), (60, 47609367), (65, 43947108), (68, 42008265), (78, 36622590), (85, 33606612), (90, 31739578), (102, 28005510), (117, 24415060), (130, 21973554), (153, 18670340), (156, 18311295), (170, 16803306), (180, 15869789), (195, 14649036), (204, 14002755), (221, 12925620), (234, 12207530), (255, 11202204), (260, 10986777), (306, 9335170), (340, 8401653), (390, 7324518), (442, 6462810), (468, 6103765), (510, 5601102), (585, 4883012), (612, 4667585), (663, 4308540), (765, 3734068), (780, 3662259), (884, 3231405), (1020, 2800551), (1105, 2585124), (1170, 2441506), (1326, 2154270), (1530, 1867034), (1989, 1436180), (2210, 1292562), (2340, 1220753), (2652, 1077135), (3060, 933517), (3315, 861708), (3978, 718090), (4420, 646281), (6630, 430854), (7956, 359045), (9945, 287236), (13260, 215427), (19890, 143618), (39780, 71809)]