66454780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 176964480

約数和(自身を除く): 110509700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 49, 70, 76, 83, 86, 95, 98, 133, 140, 166, 172, 190, 196, 215, 245, 266, 301, 332, 380, 415, 430, 490, 532, 581, 602, 665, 817, 830, 860, 931, 980, 1162, 1204, 1330, 1505, 1577, 1634, 1660, 1862, 2107, 2324, 2660, 2905, 3010, 3154, 3268, 3569, 3724, 4067, 4085, 4214, 4655, 5719, 5810, 6020, 6308, 7138, 7885, 8134, 8170, 8428, 9310, 10535, 11039, 11438, 11620, 14276, 15770, 16268, 16340, 17845, 18620, 20335, 21070, 22078, 22876, 24983, 28595, 31540, 35690, 40033, 40670, 42140, 44156, 49966, 55195, 57190, 67811, 71380, 77273, 80066, 81340, 99932, 110390, 114380, 124915, 135622, 154546, 160132, 174881, 200165, 220780, 249830, 271244, 309092, 339055, 349762, 386365, 400330, 474677, 499660, 678110, 699524, 772730, 800660, 874405, 949354, 1356220, 1545460, 1748810, 1898708, 2373385, 3322739, 3497620, 4746770, 6645478, 9493540, 13290956, 16613695, 33227390, 66454780]

約数ペア:

[(1, 66454780), (2, 33227390), (4, 16613695), (5, 13290956), (7, 9493540), (10, 6645478), (14, 4746770), (19, 3497620), (20, 3322739), (28, 2373385), (35, 1898708), (38, 1748810), (43, 1545460), (49, 1356220), (70, 949354), (76, 874405), (83, 800660), (86, 772730), (95, 699524), (98, 678110), (133, 499660), (140, 474677), (166, 400330), (172, 386365), (190, 349762), (196, 339055), (215, 309092), (245, 271244), (266, 249830), (301, 220780), (332, 200165), (380, 174881), (415, 160132), (430, 154546), (490, 135622), (532, 124915), (581, 114380), (602, 110390), (665, 99932), (817, 81340), (830, 80066), (860, 77273), (931, 71380), (980, 67811), (1162, 57190), (1204, 55195), (1330, 49966), (1505, 44156), (1577, 42140), (1634, 40670), (1660, 40033), (1862, 35690), (2107, 31540), (2324, 28595), (2660, 24983), (2905, 22876), (3010, 22078), (3154, 21070), (3268, 20335), (3569, 18620), (3724, 17845), (4067, 16340), (4085, 16268), (4214, 15770), (4655, 14276), (5719, 11620), (5810, 11438), (6020, 11039), (6308, 10535), (7138, 9310), (7885, 8428), (8134, 8170)]