66446880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 222808320

約数和(自身を除く): 156361440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 289, 340, 408, 479, 480, 510, 544, 578, 680, 816, 867, 958, 1020, 1156, 1360, 1437, 1445, 1632, 1734, 1916, 2040, 2312, 2395, 2720, 2874, 2890, 3468, 3832, 4080, 4335, 4624, 4790, 5748, 5780, 6936, 7185, 7664, 8143, 8160, 8670, 9248, 9580, 11496, 11560, 13872, 14370, 15328, 16286, 17340, 19160, 22992, 23120, 24429, 27744, 28740, 32572, 34680, 38320, 40715, 45984, 46240, 48858, 57480, 65144, 69360, 76640, 81430, 97716, 114960, 122145, 130288, 138431, 138720, 162860, 195432, 229920, 244290, 260576, 276862, 325720, 390864, 415293, 488580, 553724, 651440, 692155, 781728, 830586, 977160, 1107448, 1302880, 1384310, 1661172, 1954320, 2076465, 2214896, 2768620, 3322344, 3908640, 4152930, 4429792, 5537240, 6644688, 8305860, 11074480, 13289376, 16611720, 22148960, 33223440, 66446880]

約数ペア:

[(1, 66446880), (2, 33223440), (3, 22148960), (4, 16611720), (5, 13289376), (6, 11074480), (8, 8305860), (10, 6644688), (12, 5537240), (15, 4429792), (16, 4152930), (17, 3908640), (20, 3322344), (24, 2768620), (30, 2214896), (32, 2076465), (34, 1954320), (40, 1661172), (48, 1384310), (51, 1302880), (60, 1107448), (68, 977160), (80, 830586), (85, 781728), (96, 692155), (102, 651440), (120, 553724), (136, 488580), (160, 415293), (170, 390864), (204, 325720), (240, 276862), (255, 260576), (272, 244290), (289, 229920), (340, 195432), (408, 162860), (479, 138720), (480, 138431), (510, 130288), (544, 122145), (578, 114960), (680, 97716), (816, 81430), (867, 76640), (958, 69360), (1020, 65144), (1156, 57480), (1360, 48858), (1437, 46240), (1445, 45984), (1632, 40715), (1734, 38320), (1916, 34680), (2040, 32572), (2312, 28740), (2395, 27744), (2720, 24429), (2874, 23120), (2890, 22992), (3468, 19160), (3832, 17340), (4080, 16286), (4335, 15328), (4624, 14370), (4790, 13872), (5748, 11560), (5780, 11496), (6936, 9580), (7185, 9248), (7664, 8670), (8143, 8160)]