198401520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{826673}}^1$

素因数の和:826689

約数の個数: 40

約数和(自身を含む): 615045456

約数和(自身を除く): 416643936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 826673, 1653346, 2480019, 3306692, 4133365, 4960038, 6613384, 8266730, 9920076, 12400095, 13226768, 16533460, 19840152, 24800190, 33066920, 39680304, 49600380, 66133840, 99200760, 198401520]

約数ペア:

[(1, 198401520), (2, 99200760), (3, 66133840), (4, 49600380), (5, 39680304), (6, 33066920), (8, 24800190), (10, 19840152), (12, 16533460), (15, 13226768), (16, 12400095), (20, 9920076), (24, 8266730), (30, 6613384), (40, 4960038), (48, 4133365), (60, 3306692), (80, 2480019), (120, 1653346), (240, 826673)]