7440210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 20505420

約数和(自身を除く): 13065210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 229, 285, 342, 361, 458, 570, 687, 722, 855, 1083, 1145, 1374, 1710, 1805, 2061, 2166, 2290, 3249, 3435, 3610, 4122, 4351, 5415, 6498, 6870, 8702, 10305, 10830, 13053, 16245, 20610, 21755, 26106, 32490, 39159, 43510, 65265, 78318, 82669, 130530, 165338, 195795, 248007, 391590, 413345, 496014, 744021, 826690, 1240035, 1488042, 2480070, 3720105, 7440210]

約数ペア:

[(1, 7440210), (2, 3720105), (3, 2480070), (5, 1488042), (6, 1240035), (9, 826690), (10, 744021), (15, 496014), (18, 413345), (19, 391590), (30, 248007), (38, 195795), (45, 165338), (57, 130530), (90, 82669), (95, 78318), (114, 65265), (171, 43510), (190, 39159), (229, 32490), (285, 26106), (342, 21755), (361, 20610), (458, 16245), (570, 13053), (687, 10830), (722, 10305), (855, 8702), (1083, 6870), (1145, 6498), (1374, 5415), (1710, 4351), (1805, 4122), (2061, 3610), (2166, 3435), (2290, 3249)]