90705030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13681}}^1$

素因数の和:13721

約数の個数: 64

約数和(自身を含む): 248246208

約数和(自身を除く): 157541178

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 13681, 27362, 41043, 68405, 82086, 136810, 177853, 205215, 232577, 355706, 410430, 465154, 533559, 697731, 889265, 1067118, 1162885, 1395462, 1778530, 2325770, 2667795, 3023501, 3488655, 5335590, 6047002, 6977310, 9070503, 15117505, 18141006, 30235010, 45352515, 90705030]

約数ペア:

[(1, 90705030), (2, 45352515), (3, 30235010), (5, 18141006), (6, 15117505), (10, 9070503), (13, 6977310), (15, 6047002), (17, 5335590), (26, 3488655), (30, 3023501), (34, 2667795), (39, 2325770), (51, 1778530), (65, 1395462), (78, 1162885), (85, 1067118), (102, 889265), (130, 697731), (170, 533559), (195, 465154), (221, 410430), (255, 355706), (390, 232577), (442, 205215), (510, 177853), (663, 136810), (1105, 82086), (1326, 68405), (2210, 41043), (3315, 27362), (6630, 13681)]