1554540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 4689888

約数和(自身を除く): 3135348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1993, 3986, 5979, 7972, 9965, 11958, 19930, 23916, 25909, 29895, 39860, 51818, 59790, 77727, 103636, 119580, 129545, 155454, 259090, 310908, 388635, 518180, 777270, 1554540]

約数ペア:

[(1, 1554540), (2, 777270), (3, 518180), (4, 388635), (5, 310908), (6, 259090), (10, 155454), (12, 129545), (13, 119580), (15, 103636), (20, 77727), (26, 59790), (30, 51818), (39, 39860), (52, 29895), (60, 25909), (65, 23916), (78, 19930), (130, 11958), (156, 9965), (195, 7972), (260, 5979), (390, 3986), (780, 1993)]