21315869600

素因数分解:

$2^5\times 5^2\times {\mathrm{229}}^1\times {\mathrm{307}}^1\times {\mathrm{379}}^1$

素因数の和:935

約数の個数: 144

約数和(自身を含む): 52573197600

約数和(自身を除く): 31257328000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 229, 307, 379, 400, 458, 614, 758, 800, 916, 1145, 1228, 1516, 1535, 1832, 1895, 2290, 2456, 3032, 3070, 3664, 3790, 4580, 4912, 5725, 6064, 6140, 7328, 7580, 7675, 9160, 9475, 9824, 11450, 12128, 12280, 15160, 15350, 18320, 18950, 22900, 24560, 30320, 30700, 36640, 37900, 45800, 49120, 60640, 61400, 70303, 75800, 86791, 91600, 116353, 122800, 140606, 151600, 173582, 183200, 232706, 245600, 281212, 303200, 347164, 351515, 433955, 465412, 562424, 581765, 694328, 703030, 867910, 930824, 1124848, 1163530, 1388656, 1406060, 1735820, 1757575, 1861648, 2169775, 2249696, 2327060, 2777312, 2812120, 2908825, 3471640, 3515150, 3723296, 4339550, 4654120, 5624240, 5817650, 6943280, 7030300, 8679100, 9308240, 11248480, 11635300, 13886560, 14060600, 17358200, 18616480, 23270600, 26644837, 28121200, 34716400, 46541200, 53289674, 56242400, 69432800, 93082400, 106579348, 133224185, 213158696, 266448370, 426317392, 532896740, 666120925, 852634784, 1065793480, 1332241850, 2131586960, 2664483700, 4263173920, 5328967400, 10657934800, 21315869600]

約数ペア:

[(1, 21315869600), (2, 10657934800), (4, 5328967400), (5, 4263173920), (8, 2664483700), (10, 2131586960), (16, 1332241850), (20, 1065793480), (25, 852634784), (32, 666120925), (40, 532896740), (50, 426317392), (80, 266448370), (100, 213158696), (160, 133224185), (200, 106579348), (229, 93082400), (307, 69432800), (379, 56242400), (400, 53289674), (458, 46541200), (614, 34716400), (758, 28121200), (800, 26644837), (916, 23270600), (1145, 18616480), (1228, 17358200), (1516, 14060600), (1535, 13886560), (1832, 11635300), (1895, 11248480), (2290, 9308240), (2456, 8679100), (3032, 7030300), (3070, 6943280), (3664, 5817650), (3790, 5624240), (4580, 4654120), (4912, 4339550), (5725, 3723296), (6064, 3515150), (6140, 3471640), (7328, 2908825), (7580, 2812120), (7675, 2777312), (9160, 2327060), (9475, 2249696), (9824, 2169775), (11450, 1861648), (12128, 1757575), (12280, 1735820), (15160, 1406060), (15350, 1388656), (18320, 1163530), (18950, 1124848), (22900, 930824), (24560, 867910), (30320, 703030), (30700, 694328), (36640, 581765), (37900, 562424), (45800, 465412), (49120, 433955), (60640, 351515), (61400, 347164), (70303, 303200), (75800, 281212), (86791, 245600), (91600, 232706), (116353, 183200), (122800, 173582), (140606, 151600)]