28211760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:412

約数の個数: 160

約数和(自身を含む): 100082880

約数和(自身を除く): 71871120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 353, 360, 370, 432, 444, 540, 555, 592, 666, 706, 720, 740, 888, 999, 1059, 1080, 1110, 1332, 1412, 1480, 1665, 1765, 1776, 1998, 2118, 2160, 2220, 2664, 2824, 2960, 3177, 3330, 3530, 3996, 4236, 4440, 4995, 5295, 5328, 5648, 6354, 6660, 7060, 7992, 8472, 8880, 9531, 9990, 10590, 12708, 13061, 13320, 14120, 15885, 15984, 16944, 19062, 19980, 21180, 25416, 26122, 26640, 28240, 31770, 38124, 39183, 39960, 42360, 47655, 50832, 52244, 63540, 65305, 76248, 78366, 79920, 84720, 95310, 104488, 117549, 127080, 130610, 152496, 156732, 190620, 195915, 208976, 235098, 254160, 261220, 313464, 352647, 381240, 391830, 470196, 522440, 587745, 626928, 705294, 762480, 783660, 940392, 1044880, 1175490, 1410588, 1567320, 1763235, 1880784, 2350980, 2821176, 3134640, 3526470, 4701960, 5642352, 7052940, 9403920, 14105880, 28211760]

約数ペア:

[(1, 28211760), (2, 14105880), (3, 9403920), (4, 7052940), (5, 5642352), (6, 4701960), (8, 3526470), (9, 3134640), (10, 2821176), (12, 2350980), (15, 1880784), (16, 1763235), (18, 1567320), (20, 1410588), (24, 1175490), (27, 1044880), (30, 940392), (36, 783660), (37, 762480), (40, 705294), (45, 626928), (48, 587745), (54, 522440), (60, 470196), (72, 391830), (74, 381240), (80, 352647), (90, 313464), (108, 261220), (111, 254160), (120, 235098), (135, 208976), (144, 195915), (148, 190620), (180, 156732), (185, 152496), (216, 130610), (222, 127080), (240, 117549), (270, 104488), (296, 95310), (333, 84720), (353, 79920), (360, 78366), (370, 76248), (432, 65305), (444, 63540), (540, 52244), (555, 50832), (592, 47655), (666, 42360), (706, 39960), (720, 39183), (740, 38124), (888, 31770), (999, 28240), (1059, 26640), (1080, 26122), (1110, 25416), (1332, 21180), (1412, 19980), (1480, 19062), (1665, 16944), (1765, 15984), (1776, 15885), (1998, 14120), (2118, 13320), (2160, 13061), (2220, 12708), (2664, 10590), (2824, 9990), (2960, 9531), (3177, 8880), (3330, 8472), (3530, 7992), (3996, 7060), (4236, 6660), (4440, 6354), (4995, 5648), (5295, 5328)]