1284148980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{15889}}^1$

素因数の和:16353

約数の個数: 72

約数和(自身を含む): 3904173000

約数和(自身を除く): 2620024020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2694, 4041, 4490, 5388, 6735, 8082, 8980, 13470, 15889, 16164, 20205, 26940, 31778, 40410, 47667, 63556, 79445, 80820, 95334, 143001, 158890, 190668, 238335, 286002, 317780, 476670, 572004, 715005, 953340, 1430010, 2860020, 7134161, 14268322, 21402483, 28536644, 35670805, 42804966, 64207449, 71341610, 85609932, 107012415, 128414898, 142683220, 214024830, 256829796, 321037245, 428049660, 642074490, 1284148980]

約数ペア:

[(1, 1284148980), (2, 642074490), (3, 428049660), (4, 321037245), (5, 256829796), (6, 214024830), (9, 142683220), (10, 128414898), (12, 107012415), (15, 85609932), (18, 71341610), (20, 64207449), (30, 42804966), (36, 35670805), (45, 28536644), (60, 21402483), (90, 14268322), (180, 7134161), (449, 2860020), (898, 1430010), (1347, 953340), (1796, 715005), (2245, 572004), (2694, 476670), (4041, 317780), (4490, 286002), (5388, 238335), (6735, 190668), (8082, 158890), (8980, 143001), (13470, 95334), (15889, 80820), (16164, 79445), (20205, 63556), (26940, 47667), (31778, 40410)]