787913360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24439}}^1$

素因数の和:24496

約数の個数: 80

約数和(自身を含む): 2036536320

約数和(自身を除く): 1248622960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 24439, 32240, 48878, 97756, 122195, 195512, 244390, 317707, 391024, 488780, 635414, 757609, 977560, 1270828, 1515218, 1588535, 1955120, 2541656, 3030436, 3177070, 3788045, 5083312, 6060872, 6354140, 7576090, 9848917, 12121744, 12708280, 15152180, 19697834, 25416560, 30304360, 39395668, 49244585, 60608720, 78791336, 98489170, 157582672, 196978340, 393956680, 787913360]

約数ペア:

[(1, 787913360), (2, 393956680), (4, 196978340), (5, 157582672), (8, 98489170), (10, 78791336), (13, 60608720), (16, 49244585), (20, 39395668), (26, 30304360), (31, 25416560), (40, 19697834), (52, 15152180), (62, 12708280), (65, 12121744), (80, 9848917), (104, 7576090), (124, 6354140), (130, 6060872), (155, 5083312), (208, 3788045), (248, 3177070), (260, 3030436), (310, 2541656), (403, 1955120), (496, 1588535), (520, 1515218), (620, 1270828), (806, 977560), (1040, 757609), (1240, 635414), (1612, 488780), (2015, 391024), (2480, 317707), (3224, 244390), (4030, 195512), (6448, 122195), (8060, 97756), (16120, 48878), (24439, 32240)]