305161520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{123049}}^1$

素因数の和:123093

約数の個数: 40

約数和(自身を含む): 732393600

約数和(自身を除く): 427232080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 123049, 246098, 492196, 615245, 984392, 1230490, 1968784, 2460980, 3814519, 4921960, 7629038, 9843920, 15258076, 19072595, 30516152, 38145190, 61032304, 76290380, 152580760, 305161520]

約数ペア:

[(1, 305161520), (2, 152580760), (4, 76290380), (5, 61032304), (8, 38145190), (10, 30516152), (16, 19072595), (20, 15258076), (31, 9843920), (40, 7629038), (62, 4921960), (80, 3814519), (124, 2460980), (155, 1968784), (248, 1230490), (310, 984392), (496, 615245), (620, 492196), (1240, 246098), (2480, 123049)]