489261026560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12330167}}^1$

素因数の和:12330219

約数の個数: 72

約数和(自身を含む): 1209737442816

約数和(自身を除く): 720476416256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 12330167, 24660334, 49320668, 61650835, 98641336, 123301670, 197282672, 246603340, 382235177, 394565344, 493206680, 764470354, 789130688, 986413360, 1528940708, 1578261376, 1911175885, 1972826720, 3057881416, 3156522752, 3822351770, 3945653440, 6115762832, 7644703540, 7891306880, 12231525664, 15289407080, 15782613760, 24463051328, 30578814160, 48926102656, 61157628320, 97852205312, 122315256640, 244630513280, 489261026560]

約数ペア:

[(1, 489261026560), (2, 244630513280), (4, 122315256640), (5, 97852205312), (8, 61157628320), (10, 48926102656), (16, 30578814160), (20, 24463051328), (31, 15782613760), (32, 15289407080), (40, 12231525664), (62, 7891306880), (64, 7644703540), (80, 6115762832), (124, 3945653440), (128, 3822351770), (155, 3156522752), (160, 3057881416), (248, 1972826720), (256, 1911175885), (310, 1578261376), (320, 1528940708), (496, 986413360), (620, 789130688), (640, 764470354), (992, 493206680), (1240, 394565344), (1280, 382235177), (1984, 246603340), (2480, 197282672), (3968, 123301670), (4960, 98641336), (7936, 61650835), (9920, 49320668), (19840, 24660334), (39680, 12330167)]