280876710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 688642560

約数和(自身を除く): 407765850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 163, 213, 326, 355, 426, 489, 710, 809, 815, 978, 1065, 1618, 1630, 2130, 2427, 2445, 4045, 4854, 4890, 8090, 11573, 12135, 23146, 24270, 34719, 57439, 57865, 69438, 114878, 115730, 131867, 172317, 173595, 263734, 287195, 344634, 347190, 395601, 574390, 659335, 791202, 861585, 1318670, 1723170, 1978005, 3956010, 9362557, 18725114, 28087671, 46812785, 56175342, 93625570, 140438355, 280876710]

約数ペア:

[(1, 280876710), (2, 140438355), (3, 93625570), (5, 56175342), (6, 46812785), (10, 28087671), (15, 18725114), (30, 9362557), (71, 3956010), (142, 1978005), (163, 1723170), (213, 1318670), (326, 861585), (355, 791202), (426, 659335), (489, 574390), (710, 395601), (809, 347190), (815, 344634), (978, 287195), (1065, 263734), (1618, 173595), (1630, 172317), (2130, 131867), (2427, 115730), (2445, 114878), (4045, 69438), (4854, 57865), (4890, 57439), (8090, 34719), (11573, 24270), (12135, 23146)]