65840280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1665

約数の個数: 128

約数和(自身を含む): 222566400

約数和(自身を除く): 156726120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1609, 1705, 1860, 2046, 2728, 3218, 3410, 3720, 4092, 4827, 5115, 6436, 6820, 8045, 8184, 9654, 10230, 12872, 13640, 16090, 17699, 19308, 20460, 24135, 32180, 35398, 38616, 40920, 48270, 49879, 53097, 64360, 70796, 88495, 96540, 99758, 106194, 141592, 149637, 176990, 193080, 199516, 212388, 249395, 265485, 299274, 353980, 399032, 424776, 498790, 530970, 548669, 598548, 707960, 748185, 997580, 1061940, 1097338, 1197096, 1496370, 1646007, 1995160, 2123880, 2194676, 2743345, 2992740, 3292014, 4389352, 5486690, 5985480, 6584028, 8230035, 10973380, 13168056, 16460070, 21946760, 32920140, 65840280]

約数ペア:

[(1, 65840280), (2, 32920140), (3, 21946760), (4, 16460070), (5, 13168056), (6, 10973380), (8, 8230035), (10, 6584028), (11, 5985480), (12, 5486690), (15, 4389352), (20, 3292014), (22, 2992740), (24, 2743345), (30, 2194676), (31, 2123880), (33, 1995160), (40, 1646007), (44, 1496370), (55, 1197096), (60, 1097338), (62, 1061940), (66, 997580), (88, 748185), (93, 707960), (110, 598548), (120, 548669), (124, 530970), (132, 498790), (155, 424776), (165, 399032), (186, 353980), (220, 299274), (248, 265485), (264, 249395), (310, 212388), (330, 199516), (341, 193080), (372, 176990), (440, 149637), (465, 141592), (620, 106194), (660, 99758), (682, 96540), (744, 88495), (930, 70796), (1023, 64360), (1240, 53097), (1320, 49879), (1364, 48270), (1609, 40920), (1705, 38616), (1860, 35398), (2046, 32180), (2728, 24135), (3218, 20460), (3410, 19308), (3720, 17699), (4092, 16090), (4827, 13640), (5115, 12872), (6436, 10230), (6820, 9654), (8045, 8184)]