21077544720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{6287}}^1$

素因数の和:6593

約数の個数: 160

約数和(自身を含む): 66712158720

約数和(自身を除く): 45634614000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 229, 240, 244, 305, 366, 458, 488, 610, 687, 732, 915, 916, 976, 1145, 1220, 1374, 1464, 1830, 1832, 2290, 2440, 2748, 2928, 3435, 3660, 3664, 4580, 4880, 5496, 6287, 6870, 7320, 9160, 10992, 12574, 13740, 13969, 14640, 18320, 18861, 25148, 27480, 27938, 31435, 37722, 41907, 50296, 54960, 55876, 62870, 69845, 75444, 83814, 94305, 100592, 111752, 125740, 139690, 150888, 167628, 188610, 209535, 223504, 251480, 279380, 301776, 335256, 377220, 383507, 419070, 502960, 558760, 670512, 754440, 767014, 838140, 1117520, 1150521, 1439723, 1508880, 1534028, 1676280, 1917535, 2301042, 2879446, 3068056, 3352560, 3835070, 4319169, 4602084, 5752605, 5758892, 6136112, 7198615, 7670140, 8638338, 9204168, 11505210, 11517784, 14397230, 15340280, 17276676, 18408336, 21595845, 23010420, 23035568, 28794460, 30680560, 34553352, 43191690, 46020840, 57588920, 69106704, 86383380, 87823103, 92041680, 115177840, 172766760, 175646206, 263469309, 345533520, 351292412, 439115515, 526938618, 702584824, 878231030, 1053877236, 1317346545, 1405169648, 1756462060, 2107754472, 2634693090, 3512924120, 4215508944, 5269386180, 7025848240, 10538772360, 21077544720]

約数ペア:

[(1, 21077544720), (2, 10538772360), (3, 7025848240), (4, 5269386180), (5, 4215508944), (6, 3512924120), (8, 2634693090), (10, 2107754472), (12, 1756462060), (15, 1405169648), (16, 1317346545), (20, 1053877236), (24, 878231030), (30, 702584824), (40, 526938618), (48, 439115515), (60, 351292412), (61, 345533520), (80, 263469309), (120, 175646206), (122, 172766760), (183, 115177840), (229, 92041680), (240, 87823103), (244, 86383380), (305, 69106704), (366, 57588920), (458, 46020840), (488, 43191690), (610, 34553352), (687, 30680560), (732, 28794460), (915, 23035568), (916, 23010420), (976, 21595845), (1145, 18408336), (1220, 17276676), (1374, 15340280), (1464, 14397230), (1830, 11517784), (1832, 11505210), (2290, 9204168), (2440, 8638338), (2748, 7670140), (2928, 7198615), (3435, 6136112), (3660, 5758892), (3664, 5752605), (4580, 4602084), (4880, 4319169), (5496, 3835070), (6287, 3352560), (6870, 3068056), (7320, 2879446), (9160, 2301042), (10992, 1917535), (12574, 1676280), (13740, 1534028), (13969, 1508880), (14640, 1439723), (18320, 1150521), (18861, 1117520), (25148, 838140), (27480, 767014), (27938, 754440), (31435, 670512), (37722, 558760), (41907, 502960), (50296, 419070), (54960, 383507), (55876, 377220), (62870, 335256), (69845, 301776), (75444, 279380), (83814, 251480), (94305, 223504), (100592, 209535), (111752, 188610), (125740, 167628), (139690, 150888)]