18111120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 62353152

約数和(自身を除く): 44242032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 102, 115, 120, 136, 138, 170, 184, 193, 204, 230, 240, 255, 272, 276, 340, 345, 368, 386, 391, 408, 460, 510, 552, 579, 680, 690, 772, 782, 816, 920, 965, 1020, 1104, 1158, 1173, 1360, 1380, 1544, 1564, 1840, 1930, 1955, 2040, 2316, 2346, 2760, 2895, 3088, 3128, 3281, 3860, 3910, 4080, 4439, 4632, 4692, 5520, 5790, 5865, 6256, 6562, 7720, 7820, 8878, 9264, 9384, 9843, 11580, 11730, 13124, 13317, 15440, 15640, 16405, 17756, 18768, 19686, 22195, 23160, 23460, 26248, 26634, 31280, 32810, 35512, 39372, 44390, 46320, 46920, 49215, 52496, 53268, 65620, 66585, 71024, 75463, 78744, 88780, 93840, 98430, 106536, 131240, 133170, 150926, 157488, 177560, 196860, 213072, 226389, 262480, 266340, 301852, 355120, 377315, 393720, 452778, 532680, 603704, 754630, 787440, 905556, 1065360, 1131945, 1207408, 1509260, 1811112, 2263890, 3018520, 3622224, 4527780, 6037040, 9055560, 18111120]

約数ペア:

[(1, 18111120), (2, 9055560), (3, 6037040), (4, 4527780), (5, 3622224), (6, 3018520), (8, 2263890), (10, 1811112), (12, 1509260), (15, 1207408), (16, 1131945), (17, 1065360), (20, 905556), (23, 787440), (24, 754630), (30, 603704), (34, 532680), (40, 452778), (46, 393720), (48, 377315), (51, 355120), (60, 301852), (68, 266340), (69, 262480), (80, 226389), (85, 213072), (92, 196860), (102, 177560), (115, 157488), (120, 150926), (136, 133170), (138, 131240), (170, 106536), (184, 98430), (193, 93840), (204, 88780), (230, 78744), (240, 75463), (255, 71024), (272, 66585), (276, 65620), (340, 53268), (345, 52496), (368, 49215), (386, 46920), (391, 46320), (408, 44390), (460, 39372), (510, 35512), (552, 32810), (579, 31280), (680, 26634), (690, 26248), (772, 23460), (782, 23160), (816, 22195), (920, 19686), (965, 18768), (1020, 17756), (1104, 16405), (1158, 15640), (1173, 15440), (1360, 13317), (1380, 13124), (1544, 11730), (1564, 11580), (1840, 9843), (1930, 9384), (1955, 9264), (2040, 8878), (2316, 7820), (2346, 7720), (2760, 6562), (2895, 6256), (3088, 5865), (3128, 5790), (3281, 5520), (3860, 4692), (3910, 4632), (4080, 4439)]