21309025680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{3449}}^1\times {\mathrm{8581}}^1$

素因数の和:12049

約数の個数: 120

約数和(自身を含む): 71591902200

約数和(自身を除く): 50282876520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 3449, 6898, 8581, 10347, 13796, 17162, 17245, 20694, 25743, 27592, 31041, 34324, 34490, 41388, 42905, 51486, 51735, 55184, 62082, 68648, 68980, 77229, 82776, 85810, 102972, 103470, 124164, 128715, 137296, 137960, 154458, 155205, 165552, 171620, 205944, 206940, 248328, 257430, 275920, 308916, 310410, 343240, 386145, 411888, 413880, 496656, 514860, 617832, 620820, 686480, 772290, 827760, 1029720, 1235664, 1241640, 1544580, 2059440, 2483280, 3089160, 6178320, 29595869, 59191738, 88787607, 118383476, 147979345, 177575214, 236766952, 266362821, 295958690, 355150428, 443938035, 473533904, 532725642, 591917380, 710300856, 887876070, 1065451284, 1183834760, 1331814105, 1420601712, 1775752140, 2130902568, 2367669520, 2663628210, 3551504280, 4261805136, 5327256420, 7103008560, 10654512840, 21309025680]

約数ペア:

[(1, 21309025680), (2, 10654512840), (3, 7103008560), (4, 5327256420), (5, 4261805136), (6, 3551504280), (8, 2663628210), (9, 2367669520), (10, 2130902568), (12, 1775752140), (15, 1420601712), (16, 1331814105), (18, 1183834760), (20, 1065451284), (24, 887876070), (30, 710300856), (36, 591917380), (40, 532725642), (45, 473533904), (48, 443938035), (60, 355150428), (72, 295958690), (80, 266362821), (90, 236766952), (120, 177575214), (144, 147979345), (180, 118383476), (240, 88787607), (360, 59191738), (720, 29595869), (3449, 6178320), (6898, 3089160), (8581, 2483280), (10347, 2059440), (13796, 1544580), (17162, 1241640), (17245, 1235664), (20694, 1029720), (25743, 827760), (27592, 772290), (31041, 686480), (34324, 620820), (34490, 617832), (41388, 514860), (42905, 496656), (51486, 413880), (51735, 411888), (55184, 386145), (62082, 343240), (68648, 310410), (68980, 308916), (77229, 275920), (82776, 257430), (85810, 248328), (102972, 206940), (103470, 205944), (124164, 171620), (128715, 165552), (137296, 155205), (137960, 154458)]