31628160

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 288

約数和(自身を含む): 122124600

約数和(自身を除く): 90496440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 32, 34, 36, 38, 40, 45, 48, 51, 57, 60, 64, 68, 72, 76, 80, 85, 90, 95, 96, 102, 114, 120, 128, 136, 144, 152, 153, 160, 170, 171, 180, 190, 192, 204, 228, 240, 255, 272, 285, 288, 289, 304, 306, 320, 323, 340, 342, 360, 380, 384, 408, 456, 480, 510, 544, 570, 576, 578, 608, 612, 640, 646, 680, 684, 720, 760, 765, 816, 855, 867, 912, 960, 969, 1020, 1088, 1140, 1152, 1156, 1216, 1224, 1292, 1360, 1368, 1440, 1445, 1520, 1530, 1615, 1632, 1710, 1734, 1824, 1920, 1938, 2040, 2176, 2280, 2312, 2432, 2448, 2584, 2601, 2720, 2736, 2880, 2890, 2907, 3040, 3060, 3230, 3264, 3420, 3468, 3648, 3876, 4080, 4335, 4560, 4624, 4845, 4896, 5168, 5202, 5440, 5472, 5491, 5760, 5780, 5814, 6080, 6120, 6460, 6528, 6840, 6936, 7296, 7752, 8160, 8670, 9120, 9248, 9690, 9792, 10336, 10404, 10880, 10944, 10982, 11560, 11628, 12160, 12240, 12920, 13005, 13680, 13872, 14535, 15504, 16320, 16473, 17340, 18240, 18496, 19380, 19584, 20672, 20808, 21888, 21964, 23120, 23256, 24480, 25840, 26010, 27360, 27455, 27744, 29070, 31008, 32640, 32946, 34680, 36480, 36992, 38760, 41344, 41616, 43928, 46240, 46512, 48960, 49419, 51680, 52020, 54720, 54910, 55488, 58140, 62016, 65892, 69360, 77520, 82365, 83232, 87856, 92480, 93024, 97920, 98838, 103360, 104040, 109440, 109820, 110976, 116280, 124032, 131784, 138720, 155040, 164730, 166464, 175712, 184960, 186048, 197676, 206720, 208080, 219640, 232560, 247095, 263568, 277440, 310080, 329460, 332928, 351424, 372096, 395352, 416160, 439280, 465120, 494190, 527136, 554880, 620160, 658920, 702848, 790704, 832320, 878560, 930240, 988380, 1054272, 1317840, 1581408, 1664640, 1757120, 1860480, 1976760, 2108544, 2635680, 3162816, 3514240, 3953520, 5271360, 6325632, 7907040, 10542720, 15814080, 31628160]

約数ペア:

[(1, 31628160), (2, 15814080), (3, 10542720), (4, 7907040), (5, 6325632), (6, 5271360), (8, 3953520), (9, 3514240), (10, 3162816), (12, 2635680), (15, 2108544), (16, 1976760), (17, 1860480), (18, 1757120), (19, 1664640), (20, 1581408), (24, 1317840), (30, 1054272), (32, 988380), (34, 930240), (36, 878560), (38, 832320), (40, 790704), (45, 702848), (48, 658920), (51, 620160), (57, 554880), (60, 527136), (64, 494190), (68, 465120), (72, 439280), (76, 416160), (80, 395352), (85, 372096), (90, 351424), (95, 332928), (96, 329460), (102, 310080), (114, 277440), (120, 263568), (128, 247095), (136, 232560), (144, 219640), (152, 208080), (153, 206720), (160, 197676), (170, 186048), (171, 184960), (180, 175712), (190, 166464), (192, 164730), (204, 155040), (228, 138720), (240, 131784), (255, 124032), (272, 116280), (285, 110976), (288, 109820), (289, 109440), (304, 104040), (306, 103360), (320, 98838), (323, 97920), (340, 93024), (342, 92480), (360, 87856), (380, 83232), (384, 82365), (408, 77520), (456, 69360), (480, 65892), (510, 62016), (544, 58140), (570, 55488), (576, 54910), (578, 54720), (608, 52020), (612, 51680), (640, 49419), (646, 48960), (680, 46512), (684, 46240), (720, 43928), (760, 41616), (765, 41344), (816, 38760), (855, 36992), (867, 36480), (912, 34680), (960, 32946), (969, 32640), (1020, 31008), (1088, 29070), (1140, 27744), (1152, 27455), (1156, 27360), (1216, 26010), (1224, 25840), (1292, 24480), (1360, 23256), (1368, 23120), (1440, 21964), (1445, 21888), (1520, 20808), (1530, 20672), (1615, 19584), (1632, 19380), (1710, 18496), (1734, 18240), (1824, 17340), (1920, 16473), (1938, 16320), (2040, 15504), (2176, 14535), (2280, 13872), (2312, 13680), (2432, 13005), (2448, 12920), (2584, 12240), (2601, 12160), (2720, 11628), (2736, 11560), (2880, 10982), (2890, 10944), (2907, 10880), (3040, 10404), (3060, 10336), (3230, 9792), (3264, 9690), (3420, 9248), (3468, 9120), (3648, 8670), (3876, 8160), (4080, 7752), (4335, 7296), (4560, 6936), (4624, 6840), (4845, 6528), (4896, 6460), (5168, 6120), (5202, 6080), (5440, 5814), (5472, 5780), (5491, 5760)]