16498980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 50791104

約数和(自身を除く): 34292124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1291, 1420, 2130, 2556, 2582, 3195, 3873, 4260, 5164, 6390, 6455, 7746, 11619, 12780, 12910, 15492, 19365, 23238, 25820, 38730, 46476, 58095, 77460, 91661, 116190, 183322, 232380, 274983, 366644, 458305, 549966, 824949, 916610, 1099932, 1374915, 1649898, 1833220, 2749830, 3299796, 4124745, 5499660, 8249490, 16498980]

約数ペア:

[(1, 16498980), (2, 8249490), (3, 5499660), (4, 4124745), (5, 3299796), (6, 2749830), (9, 1833220), (10, 1649898), (12, 1374915), (15, 1099932), (18, 916610), (20, 824949), (30, 549966), (36, 458305), (45, 366644), (60, 274983), (71, 232380), (90, 183322), (142, 116190), (180, 91661), (213, 77460), (284, 58095), (355, 46476), (426, 38730), (639, 25820), (710, 23238), (852, 19365), (1065, 15492), (1278, 12910), (1291, 12780), (1420, 11619), (2130, 7746), (2556, 6455), (2582, 6390), (3195, 5164), (3873, 4260)]