155805840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{216397}}^1$

素因数の和:216416

約数の個数: 60

約数和(自身を含む): 523250364

約数和(自身を除く): 367444524

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 216397, 432794, 649191, 865588, 1081985, 1298382, 1731176, 1947573, 2163970, 2596764, 3245955, 3462352, 3895146, 4327940, 5193528, 6491910, 7790292, 8655880, 9737865, 10387056, 12983820, 15580584, 17311760, 19475730, 25967640, 31161168, 38951460, 51935280, 77902920, 155805840]

約数ペア:

[(1, 155805840), (2, 77902920), (3, 51935280), (4, 38951460), (5, 31161168), (6, 25967640), (8, 19475730), (9, 17311760), (10, 15580584), (12, 12983820), (15, 10387056), (16, 9737865), (18, 8655880), (20, 7790292), (24, 6491910), (30, 5193528), (36, 4327940), (40, 3895146), (45, 3462352), (48, 3245955), (60, 2596764), (72, 2163970), (80, 1947573), (90, 1731176), (120, 1298382), (144, 1081985), (180, 865588), (240, 649191), (360, 432794), (720, 216397)]