72397980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21169}}^1$

素因数の和:21203

約数の個数: 72

約数和(自身を含む): 231176400

約数和(自身を除く): 158778420

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, 21169, 42338, 63507, 84676, 105845, 127014, 190521, 211690, 254028, 317535, 381042, 402211, 423380, 635070, 762084, 804422, 952605, 1206633, 1270140, 1608844, 1905210, 2011055, 2413266, 3619899, 3810420, 4022110, 4826532, 6033165, 7239798, 8044220, 12066330, 14479596, 18099495, 24132660, 36198990, 72397980]

約数ペア:

[(1, 72397980), (2, 36198990), (3, 24132660), (4, 18099495), (5, 14479596), (6, 12066330), (9, 8044220), (10, 7239798), (12, 6033165), (15, 4826532), (18, 4022110), (19, 3810420), (20, 3619899), (30, 2413266), (36, 2011055), (38, 1905210), (45, 1608844), (57, 1270140), (60, 1206633), (76, 952605), (90, 804422), (95, 762084), (114, 635070), (171, 423380), (180, 402211), (190, 381042), (228, 317535), (285, 254028), (342, 211690), (380, 190521), (570, 127014), (684, 105845), (855, 84676), (1140, 63507), (1710, 42338), (3420, 21169)]