218732580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1898

約数の個数: 144

約数和(自身を含む): 736077888

約数和(自身を除く): 517345308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 165, 180, 183, 198, 220, 244, 305, 330, 366, 396, 495, 549, 610, 660, 671, 732, 915, 990, 1098, 1220, 1342, 1811, 1830, 1980, 2013, 2196, 2684, 2745, 3355, 3622, 3660, 4026, 5433, 5490, 6039, 6710, 7244, 8052, 9055, 10065, 10866, 10980, 12078, 13420, 16299, 18110, 19921, 20130, 21732, 24156, 27165, 30195, 32598, 36220, 39842, 40260, 54330, 59763, 60390, 65196, 79684, 81495, 99605, 108660, 110471, 119526, 120780, 162990, 179289, 199210, 220942, 239052, 298815, 325980, 331413, 358578, 398420, 441884, 552355, 597630, 662826, 717156, 896445, 994239, 1104710, 1195260, 1215181, 1325652, 1657065, 1792890, 1988478, 2209420, 2430362, 3314130, 3585780, 3645543, 3976956, 4860724, 4971195, 6075905, 6628260, 7291086, 9942390, 10936629, 12151810, 14582172, 18227715, 19884780, 21873258, 24303620, 36455430, 43746516, 54683145, 72910860, 109366290, 218732580]

約数ペア:

[(1, 218732580), (2, 109366290), (3, 72910860), (4, 54683145), (5, 43746516), (6, 36455430), (9, 24303620), (10, 21873258), (11, 19884780), (12, 18227715), (15, 14582172), (18, 12151810), (20, 10936629), (22, 9942390), (30, 7291086), (33, 6628260), (36, 6075905), (44, 4971195), (45, 4860724), (55, 3976956), (60, 3645543), (61, 3585780), (66, 3314130), (90, 2430362), (99, 2209420), (110, 1988478), (122, 1792890), (132, 1657065), (165, 1325652), (180, 1215181), (183, 1195260), (198, 1104710), (220, 994239), (244, 896445), (305, 717156), (330, 662826), (366, 597630), (396, 552355), (495, 441884), (549, 398420), (610, 358578), (660, 331413), (671, 325980), (732, 298815), (915, 239052), (990, 220942), (1098, 199210), (1220, 179289), (1342, 162990), (1811, 120780), (1830, 119526), (1980, 110471), (2013, 108660), (2196, 99605), (2684, 81495), (2745, 79684), (3355, 65196), (3622, 60390), (3660, 59763), (4026, 54330), (5433, 40260), (5490, 39842), (6039, 36220), (6710, 32598), (7244, 30195), (8052, 27165), (9055, 24156), (10065, 21732), (10866, 20130), (10980, 19921), (12078, 18110), (13420, 16299)]