82015020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23981}}^1$

素因数の和:24015

約数の個数: 72

約数和(自身を含む): 261883440

約数和(自身を除く): 179868420

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, 23981, 47962, 71943, 95924, 119905, 143886, 215829, 239810, 287772, 359715, 431658, 455639, 479620, 719430, 863316, 911278, 1079145, 1366917, 1438860, 1822556, 2158290, 2278195, 2733834, 4100751, 4316580, 4556390, 5467668, 6834585, 8201502, 9112780, 13669170, 16403004, 20503755, 27338340, 41007510, 82015020]

約数ペア:

[(1, 82015020), (2, 41007510), (3, 27338340), (4, 20503755), (5, 16403004), (6, 13669170), (9, 9112780), (10, 8201502), (12, 6834585), (15, 5467668), (18, 4556390), (19, 4316580), (20, 4100751), (30, 2733834), (36, 2278195), (38, 2158290), (45, 1822556), (57, 1438860), (60, 1366917), (76, 1079145), (90, 911278), (95, 863316), (114, 719430), (171, 479620), (180, 455639), (190, 431658), (228, 359715), (285, 287772), (342, 239810), (380, 215829), (570, 143886), (684, 119905), (855, 95924), (1140, 71943), (1710, 47962), (3420, 23981)]