66720780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:973

約数の個数: 192

約数和(自身を含む): 249984000

約数和(自身を除く): 183263220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 929, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1858, 1890, 1995, 2052, 2394, 2565, 2660, 2787, 3420, 3591, 3716, 3780, 3990, 4645, 4788, 5130, 5574, 5985, 6503, 7182, 7980, 8361, 9290, 10260, 11148, 11970, 13006, 13935, 14364, 16722, 17651, 17955, 18580, 19509, 23940, 25083, 26012, 27870, 32515, 33444, 35302, 35910, 39018, 41805, 50166, 52953, 55740, 58527, 65030, 70604, 71820, 78036, 83610, 88255, 97545, 100332, 105906, 117054, 123557, 125415, 130060, 158859, 167220, 175581, 176510, 195090, 211812, 234108, 247114, 250830, 264765, 292635, 317718, 351162, 353020, 370671, 390180, 476577, 494228, 501660, 529530, 585270, 617785, 635436, 702324, 741342, 794295, 877905, 953154, 1059060, 1112013, 1170540, 1235570, 1482684, 1588590, 1755810, 1853355, 1906308, 2224026, 2382885, 2471140, 3177180, 3336039, 3511620, 3706710, 4448052, 4765770, 5560065, 6672078, 7413420, 9531540, 11120130, 13344156, 16680195, 22240260, 33360390, 66720780]

約数ペア:

[(1, 66720780), (2, 33360390), (3, 22240260), (4, 16680195), (5, 13344156), (6, 11120130), (7, 9531540), (9, 7413420), (10, 6672078), (12, 5560065), (14, 4765770), (15, 4448052), (18, 3706710), (19, 3511620), (20, 3336039), (21, 3177180), (27, 2471140), (28, 2382885), (30, 2224026), (35, 1906308), (36, 1853355), (38, 1755810), (42, 1588590), (45, 1482684), (54, 1235570), (57, 1170540), (60, 1112013), (63, 1059060), (70, 953154), (76, 877905), (84, 794295), (90, 741342), (95, 702324), (105, 635436), (108, 617785), (114, 585270), (126, 529530), (133, 501660), (135, 494228), (140, 476577), (171, 390180), (180, 370671), (189, 353020), (190, 351162), (210, 317718), (228, 292635), (252, 264765), (266, 250830), (270, 247114), (285, 234108), (315, 211812), (342, 195090), (378, 176510), (380, 175581), (399, 167220), (420, 158859), (513, 130060), (532, 125415), (540, 123557), (570, 117054), (630, 105906), (665, 100332), (684, 97545), (756, 88255), (798, 83610), (855, 78036), (929, 71820), (945, 70604), (1026, 65030), (1140, 58527), (1197, 55740), (1260, 52953), (1330, 50166), (1596, 41805), (1710, 39018), (1858, 35910), (1890, 35302), (1995, 33444), (2052, 32515), (2394, 27870), (2565, 26012), (2660, 25083), (2787, 23940), (3420, 19509), (3591, 18580), (3716, 17955), (3780, 17651), (3990, 16722), (4645, 14364), (4788, 13935), (5130, 13006), (5574, 11970), (5985, 11148), (6503, 10260), (7182, 9290), (7980, 8361)]