1393291280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{29569}}^1$

素因数の和:29632

約数の個数: 80

約数和(自身を含む): 3520012800

約数和(自身を除く): 2126721520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 29569, 47120, 59138, 118276, 147845, 236552, 295690, 473104, 561811, 591380, 916639, 1123622, 1182760, 1833278, 2247244, 2365520, 2809055, 3666556, 4494488, 4583195, 5618110, 7333112, 8988976, 9166390, 11236220, 14666224, 17416141, 18332780, 22472440, 34832282, 36665560, 44944880, 69664564, 73331120, 87080705, 139329128, 174161410, 278658256, 348322820, 696645640, 1393291280]

約数ペア:

[(1, 1393291280), (2, 696645640), (4, 348322820), (5, 278658256), (8, 174161410), (10, 139329128), (16, 87080705), (19, 73331120), (20, 69664564), (31, 44944880), (38, 36665560), (40, 34832282), (62, 22472440), (76, 18332780), (80, 17416141), (95, 14666224), (124, 11236220), (152, 9166390), (155, 8988976), (190, 7333112), (248, 5618110), (304, 4583195), (310, 4494488), (380, 3666556), (496, 2809055), (589, 2365520), (620, 2247244), (760, 1833278), (1178, 1182760), (1240, 1123622), (1520, 916639), (2356, 591380), (2480, 561811), (2945, 473104), (4712, 295690), (5890, 236552), (9424, 147845), (11780, 118276), (23560, 59138), (29569, 47120)]