218468040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{260081}}^1$

素因数の和:260102

約数の個数: 64

約数和(自身を含む): 749036160

約数和(自身を除く): 530568120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 260081, 520162, 780243, 1040324, 1300405, 1560486, 1820567, 2080648, 2600810, 3120972, 3641134, 3901215, 5201620, 5461701, 6241944, 7282268, 7802430, 9102835, 10403240, 10923402, 14564536, 15604860, 18205670, 21846804, 27308505, 31209720, 36411340, 43693608, 54617010, 72822680, 109234020, 218468040]

約数ペア:

[(1, 218468040), (2, 109234020), (3, 72822680), (4, 54617010), (5, 43693608), (6, 36411340), (7, 31209720), (8, 27308505), (10, 21846804), (12, 18205670), (14, 15604860), (15, 14564536), (20, 10923402), (21, 10403240), (24, 9102835), (28, 7802430), (30, 7282268), (35, 6241944), (40, 5461701), (42, 5201620), (56, 3901215), (60, 3641134), (70, 3120972), (84, 2600810), (105, 2080648), (120, 1820567), (140, 1560486), (168, 1300405), (210, 1040324), (280, 780243), (420, 520162), (840, 260081)]