1220235640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1283}}^1$

素因数の和:1397

約数の個数: 128

約数和(自身を含む): 3106252800

約数和(自身を除く): 1886017160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 59, 62, 65, 104, 118, 124, 130, 155, 236, 248, 260, 295, 310, 403, 472, 520, 590, 620, 767, 806, 1180, 1240, 1283, 1534, 1612, 1829, 2015, 2360, 2566, 3068, 3224, 3658, 3835, 4030, 5132, 6136, 6415, 7316, 7670, 8060, 9145, 10264, 12830, 14632, 15340, 16120, 16679, 18290, 23777, 25660, 30680, 33358, 36580, 39773, 47554, 51320, 66716, 73160, 75697, 79546, 83395, 95108, 118885, 133432, 151394, 159092, 166790, 190216, 198865, 237770, 302788, 318184, 333580, 378485, 397730, 475540, 517049, 605576, 667160, 756970, 795460, 951080, 984061, 1034098, 1513940, 1590920, 1968122, 2068196, 2346607, 2585245, 3027880, 3936244, 4136392, 4693214, 4920305, 5170490, 7872488, 9386428, 9840610, 10340980, 11733035, 18772856, 19681220, 20681960, 23466070, 30505891, 39362440, 46932140, 61011782, 93864280, 122023564, 152529455, 244047128, 305058910, 610117820, 1220235640]

約数ペア:

[(1, 1220235640), (2, 610117820), (4, 305058910), (5, 244047128), (8, 152529455), (10, 122023564), (13, 93864280), (20, 61011782), (26, 46932140), (31, 39362440), (40, 30505891), (52, 23466070), (59, 20681960), (62, 19681220), (65, 18772856), (104, 11733035), (118, 10340980), (124, 9840610), (130, 9386428), (155, 7872488), (236, 5170490), (248, 4920305), (260, 4693214), (295, 4136392), (310, 3936244), (403, 3027880), (472, 2585245), (520, 2346607), (590, 2068196), (620, 1968122), (767, 1590920), (806, 1513940), (1180, 1034098), (1240, 984061), (1283, 951080), (1534, 795460), (1612, 756970), (1829, 667160), (2015, 605576), (2360, 517049), (2566, 475540), (3068, 397730), (3224, 378485), (3658, 333580), (3835, 318184), (4030, 302788), (5132, 237770), (6136, 198865), (6415, 190216), (7316, 166790), (7670, 159092), (8060, 151394), (9145, 133432), (10264, 118885), (12830, 95108), (14632, 83395), (15340, 79546), (16120, 75697), (16679, 73160), (18290, 66716), (23777, 51320), (25660, 47554), (30680, 39773), (33358, 36580)]