28185120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 216

約数和(自身を含む): 103262796

約数和(自身を除く): 75077676

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 37, 40, 45, 46, 48, 60, 69, 72, 74, 80, 90, 92, 96, 111, 115, 120, 138, 144, 148, 160, 180, 184, 185, 207, 222, 230, 240, 276, 288, 296, 333, 345, 360, 368, 370, 414, 444, 460, 480, 529, 552, 555, 592, 666, 690, 720, 736, 740, 828, 851, 888, 920, 1035, 1058, 1104, 1110, 1184, 1332, 1380, 1440, 1480, 1587, 1656, 1665, 1702, 1776, 1840, 2070, 2116, 2208, 2220, 2553, 2645, 2664, 2760, 2960, 3174, 3312, 3330, 3404, 3552, 3680, 4140, 4232, 4255, 4440, 4761, 5106, 5290, 5328, 5520, 5920, 6348, 6624, 6660, 6808, 7659, 7935, 8280, 8464, 8510, 8880, 9522, 10212, 10580, 10656, 11040, 12696, 12765, 13320, 13616, 15318, 15870, 16560, 16928, 17020, 17760, 19044, 19573, 20424, 21160, 23805, 25392, 25530, 26640, 27232, 30636, 31740, 33120, 34040, 38088, 38295, 39146, 40848, 42320, 47610, 50784, 51060, 53280, 58719, 61272, 63480, 68080, 76176, 76590, 78292, 81696, 84640, 95220, 97865, 102120, 117438, 122544, 126960, 136160, 152352, 153180, 156584, 176157, 190440, 195730, 204240, 234876, 245088, 253920, 293595, 306360, 313168, 352314, 380880, 391460, 408480, 469752, 587190, 612720, 626336, 704628, 761760, 782920, 880785, 939504, 1174380, 1225440, 1409256, 1565840, 1761570, 1879008, 2348760, 2818512, 3131680, 3523140, 4697520, 5637024, 7046280, 9395040, 14092560, 28185120]

約数ペア:

[(1, 28185120), (2, 14092560), (3, 9395040), (4, 7046280), (5, 5637024), (6, 4697520), (8, 3523140), (9, 3131680), (10, 2818512), (12, 2348760), (15, 1879008), (16, 1761570), (18, 1565840), (20, 1409256), (23, 1225440), (24, 1174380), (30, 939504), (32, 880785), (36, 782920), (37, 761760), (40, 704628), (45, 626336), (46, 612720), (48, 587190), (60, 469752), (69, 408480), (72, 391460), (74, 380880), (80, 352314), (90, 313168), (92, 306360), (96, 293595), (111, 253920), (115, 245088), (120, 234876), (138, 204240), (144, 195730), (148, 190440), (160, 176157), (180, 156584), (184, 153180), (185, 152352), (207, 136160), (222, 126960), (230, 122544), (240, 117438), (276, 102120), (288, 97865), (296, 95220), (333, 84640), (345, 81696), (360, 78292), (368, 76590), (370, 76176), (414, 68080), (444, 63480), (460, 61272), (480, 58719), (529, 53280), (552, 51060), (555, 50784), (592, 47610), (666, 42320), (690, 40848), (720, 39146), (736, 38295), (740, 38088), (828, 34040), (851, 33120), (888, 31740), (920, 30636), (1035, 27232), (1058, 26640), (1104, 25530), (1110, 25392), (1184, 23805), (1332, 21160), (1380, 20424), (1440, 19573), (1480, 19044), (1587, 17760), (1656, 17020), (1665, 16928), (1702, 16560), (1776, 15870), (1840, 15318), (2070, 13616), (2116, 13320), (2208, 12765), (2220, 12696), (2553, 11040), (2645, 10656), (2664, 10580), (2760, 10212), (2960, 9522), (3174, 8880), (3312, 8510), (3330, 8464), (3404, 8280), (3552, 7935), (3680, 7659), (4140, 6808), (4232, 6660), (4255, 6624), (4440, 6348), (4761, 5920), (5106, 5520), (5290, 5328)]