15211440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:627

約数の個数: 120

約数和(自身を含む): 52557648

約数和(自身を除く): 37346208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 571, 592, 666, 720, 740, 888, 1110, 1142, 1332, 1480, 1665, 1713, 1776, 2220, 2284, 2664, 2855, 2960, 3330, 3426, 4440, 4568, 5139, 5328, 5710, 6660, 6852, 8565, 8880, 9136, 10278, 11420, 13320, 13704, 17130, 20556, 21127, 22840, 25695, 26640, 27408, 34260, 41112, 42254, 45680, 51390, 63381, 68520, 82224, 84508, 102780, 105635, 126762, 137040, 169016, 190143, 205560, 211270, 253524, 316905, 338032, 380286, 411120, 422540, 507048, 633810, 760572, 845080, 950715, 1014096, 1267620, 1521144, 1690160, 1901430, 2535240, 3042288, 3802860, 5070480, 7605720, 15211440]

約数ペア:

[(1, 15211440), (2, 7605720), (3, 5070480), (4, 3802860), (5, 3042288), (6, 2535240), (8, 1901430), (9, 1690160), (10, 1521144), (12, 1267620), (15, 1014096), (16, 950715), (18, 845080), (20, 760572), (24, 633810), (30, 507048), (36, 422540), (37, 411120), (40, 380286), (45, 338032), (48, 316905), (60, 253524), (72, 211270), (74, 205560), (80, 190143), (90, 169016), (111, 137040), (120, 126762), (144, 105635), (148, 102780), (180, 84508), (185, 82224), (222, 68520), (240, 63381), (296, 51390), (333, 45680), (360, 42254), (370, 41112), (444, 34260), (555, 27408), (571, 26640), (592, 25695), (666, 22840), (720, 21127), (740, 20556), (888, 17130), (1110, 13704), (1142, 13320), (1332, 11420), (1480, 10278), (1665, 9136), (1713, 8880), (1776, 8565), (2220, 6852), (2284, 6660), (2664, 5710), (2855, 5328), (2960, 5139), (3330, 4568), (3426, 4440)]