23721120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 288

約数和(自身を含む): 92836800

約数和(自身を除く): 69115680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 27, 30, 32, 34, 36, 38, 40, 45, 48, 51, 54, 57, 60, 68, 72, 76, 80, 85, 90, 95, 96, 102, 108, 114, 120, 135, 136, 144, 152, 153, 160, 170, 171, 180, 190, 204, 216, 228, 240, 255, 270, 272, 285, 288, 289, 304, 306, 323, 340, 342, 360, 380, 408, 432, 456, 459, 480, 510, 513, 540, 544, 570, 578, 608, 612, 646, 680, 684, 720, 760, 765, 816, 855, 864, 867, 912, 918, 969, 1020, 1026, 1080, 1140, 1156, 1224, 1292, 1360, 1368, 1440, 1445, 1520, 1530, 1615, 1632, 1710, 1734, 1824, 1836, 1938, 2040, 2052, 2160, 2280, 2295, 2312, 2448, 2565, 2584, 2601, 2720, 2736, 2890, 2907, 3040, 3060, 3230, 3420, 3468, 3672, 3876, 4080, 4104, 4320, 4335, 4560, 4590, 4624, 4845, 4896, 5130, 5168, 5202, 5472, 5491, 5780, 5814, 6120, 6460, 6840, 6936, 7344, 7752, 7803, 8160, 8208, 8670, 8721, 9120, 9180, 9248, 9690, 10260, 10336, 10404, 10982, 11560, 11628, 12240, 12920, 13005, 13680, 13872, 14535, 14688, 15504, 15606, 16416, 16473, 17340, 17442, 18360, 19380, 20520, 20808, 21964, 23120, 23256, 24480, 25840, 26010, 27360, 27455, 27744, 29070, 31008, 31212, 32946, 34680, 34884, 36720, 38760, 39015, 41040, 41616, 43605, 43928, 46240, 46512, 49419, 51680, 52020, 54910, 58140, 62424, 65892, 69360, 69768, 73440, 77520, 78030, 82080, 82365, 83232, 87210, 87856, 93024, 98838, 104040, 109820, 116280, 124848, 131784, 138720, 139536, 148257, 155040, 156060, 164730, 174420, 175712, 197676, 208080, 219640, 232560, 247095, 249696, 263568, 279072, 296514, 312120, 329460, 348840, 395352, 416160, 439280, 465120, 494190, 527136, 593028, 624240, 658920, 697680, 741285, 790704, 878560, 988380, 1186056, 1248480, 1317840, 1395360, 1482570, 1581408, 1976760, 2372112, 2635680, 2965140, 3953520, 4744224, 5930280, 7907040, 11860560, 23721120]

約数ペア:

[(1, 23721120), (2, 11860560), (3, 7907040), (4, 5930280), (5, 4744224), (6, 3953520), (8, 2965140), (9, 2635680), (10, 2372112), (12, 1976760), (15, 1581408), (16, 1482570), (17, 1395360), (18, 1317840), (19, 1248480), (20, 1186056), (24, 988380), (27, 878560), (30, 790704), (32, 741285), (34, 697680), (36, 658920), (38, 624240), (40, 593028), (45, 527136), (48, 494190), (51, 465120), (54, 439280), (57, 416160), (60, 395352), (68, 348840), (72, 329460), (76, 312120), (80, 296514), (85, 279072), (90, 263568), (95, 249696), (96, 247095), (102, 232560), (108, 219640), (114, 208080), (120, 197676), (135, 175712), (136, 174420), (144, 164730), (152, 156060), (153, 155040), (160, 148257), (170, 139536), (171, 138720), (180, 131784), (190, 124848), (204, 116280), (216, 109820), (228, 104040), (240, 98838), (255, 93024), (270, 87856), (272, 87210), (285, 83232), (288, 82365), (289, 82080), (304, 78030), (306, 77520), (323, 73440), (340, 69768), (342, 69360), (360, 65892), (380, 62424), (408, 58140), (432, 54910), (456, 52020), (459, 51680), (480, 49419), (510, 46512), (513, 46240), (540, 43928), (544, 43605), (570, 41616), (578, 41040), (608, 39015), (612, 38760), (646, 36720), (680, 34884), (684, 34680), (720, 32946), (760, 31212), (765, 31008), (816, 29070), (855, 27744), (864, 27455), (867, 27360), (912, 26010), (918, 25840), (969, 24480), (1020, 23256), (1026, 23120), (1080, 21964), (1140, 20808), (1156, 20520), (1224, 19380), (1292, 18360), (1360, 17442), (1368, 17340), (1440, 16473), (1445, 16416), (1520, 15606), (1530, 15504), (1615, 14688), (1632, 14535), (1710, 13872), (1734, 13680), (1824, 13005), (1836, 12920), (1938, 12240), (2040, 11628), (2052, 11560), (2160, 10982), (2280, 10404), (2295, 10336), (2312, 10260), (2448, 9690), (2565, 9248), (2584, 9180), (2601, 9120), (2720, 8721), (2736, 8670), (2890, 8208), (2907, 8160), (3040, 7803), (3060, 7752), (3230, 7344), (3420, 6936), (3468, 6840), (3672, 6460), (3876, 6120), (4080, 5814), (4104, 5780), (4320, 5491), (4335, 5472), (4560, 5202), (4590, 5168), (4624, 5130), (4845, 4896)]