388681680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1619507}}^1$

素因数の和:1619523

約数の個数: 40

約数和(自身を含む): 1204913952

約数和(自身を除く): 816232272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1619507, 3239014, 4858521, 6478028, 8097535, 9717042, 12956056, 16195070, 19434084, 24292605, 25912112, 32390140, 38868168, 48585210, 64780280, 77736336, 97170420, 129560560, 194340840, 388681680]

約数ペア:

[(1, 388681680), (2, 194340840), (3, 129560560), (4, 97170420), (5, 77736336), (6, 64780280), (8, 48585210), (10, 38868168), (12, 32390140), (15, 25912112), (16, 24292605), (20, 19434084), (24, 16195070), (30, 12956056), (40, 9717042), (48, 8097535), (60, 6478028), (80, 4858521), (120, 3239014), (240, 1619507)]