15245220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 46126080

約数和(自身を除く): 30880860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 258, 285, 311, 380, 430, 516, 570, 622, 645, 817, 860, 933, 1140, 1244, 1290, 1555, 1634, 1866, 2451, 2580, 3110, 3268, 3732, 4085, 4665, 4902, 5909, 6220, 8170, 9330, 9804, 11818, 12255, 13373, 16340, 17727, 18660, 23636, 24510, 26746, 29545, 35454, 40119, 49020, 53492, 59090, 66865, 70908, 80238, 88635, 118180, 133730, 160476, 177270, 200595, 254087, 267460, 354540, 401190, 508174, 762261, 802380, 1016348, 1270435, 1524522, 2540870, 3049044, 3811305, 5081740, 7622610, 15245220]

約数ペア:

[(1, 15245220), (2, 7622610), (3, 5081740), (4, 3811305), (5, 3049044), (6, 2540870), (10, 1524522), (12, 1270435), (15, 1016348), (19, 802380), (20, 762261), (30, 508174), (38, 401190), (43, 354540), (57, 267460), (60, 254087), (76, 200595), (86, 177270), (95, 160476), (114, 133730), (129, 118180), (172, 88635), (190, 80238), (215, 70908), (228, 66865), (258, 59090), (285, 53492), (311, 49020), (380, 40119), (430, 35454), (516, 29545), (570, 26746), (622, 24510), (645, 23636), (817, 18660), (860, 17727), (933, 16340), (1140, 13373), (1244, 12255), (1290, 11818), (1555, 9804), (1634, 9330), (1866, 8170), (2451, 6220), (2580, 5909), (3110, 4902), (3268, 4665), (3732, 4085)]