931619280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3917}}^1$

素因数の和:4924

約数の個数: 80

約数和(自身を含む): 2891672064

約数和(自身を除く): 1960052784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 991, 1982, 2973, 3917, 3964, 4955, 5946, 7834, 7928, 9910, 11751, 11892, 14865, 15668, 15856, 19585, 19820, 23502, 23784, 29730, 31336, 39170, 39640, 47004, 47568, 58755, 59460, 62672, 78340, 79280, 94008, 117510, 118920, 156680, 188016, 235020, 237840, 313360, 470040, 940080, 3881747, 7763494, 11645241, 15526988, 19408735, 23290482, 31053976, 38817470, 46580964, 58226205, 62107952, 77634940, 93161928, 116452410, 155269880, 186323856, 232904820, 310539760, 465809640, 931619280]

約数ペア:

[(1, 931619280), (2, 465809640), (3, 310539760), (4, 232904820), (5, 186323856), (6, 155269880), (8, 116452410), (10, 93161928), (12, 77634940), (15, 62107952), (16, 58226205), (20, 46580964), (24, 38817470), (30, 31053976), (40, 23290482), (48, 19408735), (60, 15526988), (80, 11645241), (120, 7763494), (240, 3881747), (991, 940080), (1982, 470040), (2973, 313360), (3917, 237840), (3964, 235020), (4955, 188016), (5946, 156680), (7834, 118920), (7928, 117510), (9910, 94008), (11751, 79280), (11892, 78340), (14865, 62672), (15668, 59460), (15856, 58755), (19585, 47568), (19820, 47004), (23502, 39640), (23784, 39170), (29730, 31336)]