28538280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79273}}^1$

素因数の和:79290

約数の個数: 48

約数和(自身を含む): 92750580

約数和(自身を除く): 64212300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 79273, 158546, 237819, 317092, 396365, 475638, 634184, 713457, 792730, 951276, 1189095, 1426914, 1585460, 1902552, 2378190, 2853828, 3170920, 3567285, 4756380, 5707656, 7134570, 9512760, 14269140, 28538280]

約数ペア:

[(1, 28538280), (2, 14269140), (3, 9512760), (4, 7134570), (5, 5707656), (6, 4756380), (8, 3567285), (9, 3170920), (10, 2853828), (12, 2378190), (15, 1902552), (18, 1585460), (20, 1426914), (24, 1189095), (30, 951276), (36, 792730), (40, 713457), (45, 634184), (60, 475638), (72, 396365), (90, 317092), (120, 237819), (180, 158546), (360, 79273)]