80456700520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1511}}^1\times {\mathrm{3881}}^1$

素因数の和:5424

約数の個数: 128

約数和(自身を含む): 211305024000

約数和(自身を除く): 130848323480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1511, 1715, 1960, 2744, 3022, 3430, 3881, 6044, 6860, 7555, 7762, 10577, 12088, 13720, 15110, 15524, 19405, 21154, 27167, 30220, 31048, 38810, 42308, 52885, 54334, 60440, 74039, 77620, 84616, 105770, 108668, 135835, 148078, 155240, 190169, 211540, 217336, 271670, 296156, 370195, 380338, 423080, 518273, 543340, 592312, 740390, 760676, 950845, 1036546, 1086680, 1331183, 1480780, 1521352, 1901690, 2073092, 2591365, 2662366, 2961560, 3803380, 4146184, 5182730, 5324732, 5864191, 6655915, 7606760, 10365460, 10649464, 11728382, 13311830, 20730920, 23456764, 26623660, 29320955, 41049337, 46913528, 53247320, 58641910, 82098674, 117283820, 164197348, 205246685, 234567640, 287345359, 328394696, 410493370, 574690718, 820986740, 1149381436, 1436726795, 1641973480, 2011417513, 2298762872, 2873453590, 4022835026, 5746907180, 8045670052, 10057087565, 11493814360, 16091340104, 20114175130, 40228350260, 80456700520]

約数ペア:

[(1, 80456700520), (2, 40228350260), (4, 20114175130), (5, 16091340104), (7, 11493814360), (8, 10057087565), (10, 8045670052), (14, 5746907180), (20, 4022835026), (28, 2873453590), (35, 2298762872), (40, 2011417513), (49, 1641973480), (56, 1436726795), (70, 1149381436), (98, 820986740), (140, 574690718), (196, 410493370), (245, 328394696), (280, 287345359), (343, 234567640), (392, 205246685), (490, 164197348), (686, 117283820), (980, 82098674), (1372, 58641910), (1511, 53247320), (1715, 46913528), (1960, 41049337), (2744, 29320955), (3022, 26623660), (3430, 23456764), (3881, 20730920), (6044, 13311830), (6860, 11728382), (7555, 10649464), (7762, 10365460), (10577, 7606760), (12088, 6655915), (13720, 5864191), (15110, 5324732), (15524, 5182730), (19405, 4146184), (21154, 3803380), (27167, 2961560), (30220, 2662366), (31048, 2591365), (38810, 2073092), (42308, 1901690), (52885, 1521352), (54334, 1480780), (60440, 1331183), (74039, 1086680), (77620, 1036546), (84616, 950845), (105770, 760676), (108668, 740390), (135835, 592312), (148078, 543340), (155240, 518273), (190169, 423080), (211540, 380338), (217336, 370195), (271670, 296156)]