17987040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{12491}}^1$

素因数の和:12512

約数の個数: 72

約数和(自身を含む): 61385688

約数和(自身を除く): 43398648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 12491, 24982, 37473, 49964, 62455, 74946, 99928, 112419, 124910, 149892, 187365, 199856, 224838, 249820, 299784, 374730, 399712, 449676, 499640, 562095, 599568, 749460, 899352, 999280, 1124190, 1199136, 1498920, 1798704, 1998560, 2248380, 2997840, 3597408, 4496760, 5995680, 8993520, 17987040]

約数ペア:

[(1, 17987040), (2, 8993520), (3, 5995680), (4, 4496760), (5, 3597408), (6, 2997840), (8, 2248380), (9, 1998560), (10, 1798704), (12, 1498920), (15, 1199136), (16, 1124190), (18, 999280), (20, 899352), (24, 749460), (30, 599568), (32, 562095), (36, 499640), (40, 449676), (45, 399712), (48, 374730), (60, 299784), (72, 249820), (80, 224838), (90, 199856), (96, 187365), (120, 149892), (144, 124910), (160, 112419), (180, 99928), (240, 74946), (288, 62455), (360, 49964), (480, 37473), (720, 24982), (1440, 12491)]