25646580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7499}}^1$

素因数の和:7533

約数の個数: 72

約数和(自身を含む): 81900000

約数和(自身を除く): 56253420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 7499, 14998, 22497, 29996, 37495, 44994, 67491, 74990, 89988, 112485, 134982, 142481, 149980, 224970, 269964, 284962, 337455, 427443, 449940, 569924, 674910, 712405, 854886, 1282329, 1349820, 1424810, 1709772, 2137215, 2564658, 2849620, 4274430, 5129316, 6411645, 8548860, 12823290, 25646580]

約数ペア:

[(1, 25646580), (2, 12823290), (3, 8548860), (4, 6411645), (5, 5129316), (6, 4274430), (9, 2849620), (10, 2564658), (12, 2137215), (15, 1709772), (18, 1424810), (19, 1349820), (20, 1282329), (30, 854886), (36, 712405), (38, 674910), (45, 569924), (57, 449940), (60, 427443), (76, 337455), (90, 284962), (95, 269964), (114, 224970), (171, 149980), (180, 142481), (190, 134982), (228, 112485), (285, 89988), (342, 74990), (380, 67491), (570, 44994), (684, 37495), (855, 29996), (1140, 22497), (1710, 14998), (3420, 7499)]