72405740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{733}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 166471200

約数和(自身を除く): 94065460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 449, 733, 898, 1466, 1796, 2245, 2932, 3665, 4490, 4939, 7330, 8063, 8980, 9878, 14660, 16126, 19756, 24695, 32252, 40315, 49390, 80630, 98780, 161260, 329117, 658234, 1316468, 1645585, 3291170, 3620287, 6582340, 7240574, 14481148, 18101435, 36202870, 72405740]

約数ペア:

[(1, 72405740), (2, 36202870), (4, 18101435), (5, 14481148), (10, 7240574), (11, 6582340), (20, 3620287), (22, 3291170), (44, 1645585), (55, 1316468), (110, 658234), (220, 329117), (449, 161260), (733, 98780), (898, 80630), (1466, 49390), (1796, 40315), (2245, 32252), (2932, 24695), (3665, 19756), (4490, 16126), (4939, 14660), (7330, 9878), (8063, 8980)]