72180525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^3$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 129108800

約数和(自身を除く): 56928275

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 185, 285, 475, 555, 703, 925, 1369, 1425, 2109, 2775, 3515, 4107, 6845, 10545, 17575, 20535, 26011, 34225, 50653, 52725, 78033, 102675, 130055, 151959, 253265, 390165, 650275, 759795, 962407, 1266325, 1950825, 2887221, 3798975, 4812035, 14436105, 24060175, 72180525]

約数ペア:

[(1, 72180525), (3, 24060175), (5, 14436105), (15, 4812035), (19, 3798975), (25, 2887221), (37, 1950825), (57, 1266325), (75, 962407), (95, 759795), (111, 650275), (185, 390165), (285, 253265), (475, 151959), (555, 130055), (703, 102675), (925, 78033), (1369, 52725), (1425, 50653), (2109, 34225), (2775, 26011), (3515, 20535), (4107, 17575), (6845, 10545)]