26617860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 87447360

約数和(自身を除く): 60829500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 181, 190, 215, 228, 258, 285, 342, 362, 380, 387, 430, 516, 543, 570, 645, 684, 724, 774, 817, 855, 860, 905, 1086, 1140, 1290, 1548, 1629, 1634, 1710, 1810, 1935, 2172, 2451, 2580, 2715, 3258, 3268, 3420, 3439, 3620, 3870, 4085, 4902, 5430, 6516, 6878, 7353, 7740, 7783, 8145, 8170, 9804, 10317, 10860, 12255, 13756, 14706, 15566, 16290, 16340, 17195, 20634, 23349, 24510, 29412, 30951, 31132, 32580, 34390, 36765, 38915, 41268, 46698, 49020, 51585, 61902, 68780, 70047, 73530, 77830, 93396, 103170, 116745, 123804, 140094, 147060, 147877, 154755, 155660, 206340, 233490, 280188, 295754, 309510, 350235, 443631, 466980, 591508, 619020, 700470, 739385, 887262, 1330893, 1400940, 1478770, 1774524, 2218155, 2661786, 2957540, 4436310, 5323572, 6654465, 8872620, 13308930, 26617860]

約数ペア:

[(1, 26617860), (2, 13308930), (3, 8872620), (4, 6654465), (5, 5323572), (6, 4436310), (9, 2957540), (10, 2661786), (12, 2218155), (15, 1774524), (18, 1478770), (19, 1400940), (20, 1330893), (30, 887262), (36, 739385), (38, 700470), (43, 619020), (45, 591508), (57, 466980), (60, 443631), (76, 350235), (86, 309510), (90, 295754), (95, 280188), (114, 233490), (129, 206340), (171, 155660), (172, 154755), (180, 147877), (181, 147060), (190, 140094), (215, 123804), (228, 116745), (258, 103170), (285, 93396), (342, 77830), (362, 73530), (380, 70047), (387, 68780), (430, 61902), (516, 51585), (543, 49020), (570, 46698), (645, 41268), (684, 38915), (724, 36765), (774, 34390), (817, 32580), (855, 31132), (860, 30951), (905, 29412), (1086, 24510), (1140, 23349), (1290, 20634), (1548, 17195), (1629, 16340), (1634, 16290), (1710, 15566), (1810, 14706), (1935, 13756), (2172, 12255), (2451, 10860), (2580, 10317), (2715, 9804), (3258, 8170), (3268, 8145), (3420, 7783), (3439, 7740), (3620, 7353), (3870, 6878), (4085, 6516), (4902, 5430)]