28806840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:563

約数の個数: 160

約数和(自身を含む): 102714480

約数和(自身を除く): 73907640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 270, 306, 324, 340, 360, 405, 408, 459, 510, 523, 540, 612, 648, 680, 765, 810, 918, 1020, 1046, 1080, 1224, 1377, 1530, 1569, 1620, 1836, 2040, 2092, 2295, 2615, 2754, 3060, 3138, 3240, 3672, 4184, 4590, 4707, 5230, 5508, 6120, 6276, 6885, 7845, 8891, 9180, 9414, 10460, 11016, 12552, 13770, 14121, 15690, 17782, 18360, 18828, 20920, 23535, 26673, 27540, 28242, 31380, 35564, 37656, 42363, 44455, 47070, 53346, 55080, 56484, 62760, 70605, 71128, 80019, 84726, 88910, 94140, 106692, 112968, 133365, 141210, 160038, 169452, 177820, 188280, 211815, 213384, 240057, 266730, 282420, 320076, 338904, 355640, 400095, 423630, 480114, 533460, 564840, 640152, 720171, 800190, 847260, 960228, 1066920, 1200285, 1440342, 1600380, 1694520, 1920456, 2400570, 2880684, 3200760, 3600855, 4801140, 5761368, 7201710, 9602280, 14403420, 28806840]

約数ペア:

[(1, 28806840), (2, 14403420), (3, 9602280), (4, 7201710), (5, 5761368), (6, 4801140), (8, 3600855), (9, 3200760), (10, 2880684), (12, 2400570), (15, 1920456), (17, 1694520), (18, 1600380), (20, 1440342), (24, 1200285), (27, 1066920), (30, 960228), (34, 847260), (36, 800190), (40, 720171), (45, 640152), (51, 564840), (54, 533460), (60, 480114), (68, 423630), (72, 400095), (81, 355640), (85, 338904), (90, 320076), (102, 282420), (108, 266730), (120, 240057), (135, 213384), (136, 211815), (153, 188280), (162, 177820), (170, 169452), (180, 160038), (204, 141210), (216, 133365), (255, 112968), (270, 106692), (306, 94140), (324, 88910), (340, 84726), (360, 80019), (405, 71128), (408, 70605), (459, 62760), (510, 56484), (523, 55080), (540, 53346), (612, 47070), (648, 44455), (680, 42363), (765, 37656), (810, 35564), (918, 31380), (1020, 28242), (1046, 27540), (1080, 26673), (1224, 23535), (1377, 20920), (1530, 18828), (1569, 18360), (1620, 17782), (1836, 15690), (2040, 14121), (2092, 13770), (2295, 12552), (2615, 11016), (2754, 10460), (3060, 9414), (3138, 9180), (3240, 8891), (3672, 7845), (4184, 6885), (4590, 6276), (4707, 6120), (5230, 5508)]