646528080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{244897}}^1$

素因数の和:244924

約数の個数: 80

約数和(自身を含む): 2186449344

約数和(自身を除く): 1539921264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 244897, 489794, 734691, 979588, 1224485, 1469382, 1959176, 2448970, 2693867, 2938764, 3673455, 3918352, 4897940, 5387734, 5877528, 7346910, 8081601, 9795880, 10775468, 11755056, 13469335, 14693820, 16163202, 19591760, 21550936, 26938670, 29387640, 32326404, 40408005, 43101872, 53877340, 58775280, 64652808, 80816010, 107754680, 129305616, 161632020, 215509360, 323264040, 646528080]

約数ペア:

[(1, 646528080), (2, 323264040), (3, 215509360), (4, 161632020), (5, 129305616), (6, 107754680), (8, 80816010), (10, 64652808), (11, 58775280), (12, 53877340), (15, 43101872), (16, 40408005), (20, 32326404), (22, 29387640), (24, 26938670), (30, 21550936), (33, 19591760), (40, 16163202), (44, 14693820), (48, 13469335), (55, 11755056), (60, 10775468), (66, 9795880), (80, 8081601), (88, 7346910), (110, 5877528), (120, 5387734), (132, 4897940), (165, 3918352), (176, 3673455), (220, 2938764), (240, 2693867), (264, 2448970), (330, 1959176), (440, 1469382), (528, 1224485), (660, 979588), (880, 734691), (1320, 489794), (2640, 244897)]