28442640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3203}}^1$

素因数の和:3256

約数の個数: 80

約数和(自身を含む): 90583488

約数和(自身を除く): 62140848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 3203, 4440, 6406, 8880, 9609, 12812, 16015, 19218, 25624, 32030, 38436, 48045, 51248, 64060, 76872, 96090, 118511, 128120, 153744, 192180, 237022, 256240, 355533, 384360, 474044, 592555, 711066, 768720, 948088, 1185110, 1422132, 1777665, 1896176, 2370220, 2844264, 3555330, 4740440, 5688528, 7110660, 9480880, 14221320, 28442640]

約数ペア:

[(1, 28442640), (2, 14221320), (3, 9480880), (4, 7110660), (5, 5688528), (6, 4740440), (8, 3555330), (10, 2844264), (12, 2370220), (15, 1896176), (16, 1777665), (20, 1422132), (24, 1185110), (30, 948088), (37, 768720), (40, 711066), (48, 592555), (60, 474044), (74, 384360), (80, 355533), (111, 256240), (120, 237022), (148, 192180), (185, 153744), (222, 128120), (240, 118511), (296, 96090), (370, 76872), (444, 64060), (555, 51248), (592, 48045), (740, 38436), (888, 32030), (1110, 25624), (1480, 19218), (1776, 16015), (2220, 12812), (2960, 9609), (3203, 8880), (4440, 6406)]