8320204160

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:273

約数の個数: 192

約数和(自身を含む): 20853288000

約数和(自身を除く): 12533083840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 79, 80, 86, 89, 128, 158, 160, 172, 178, 215, 316, 320, 344, 356, 395, 430, 445, 632, 640, 688, 712, 790, 860, 890, 1264, 1376, 1424, 1580, 1720, 1780, 1849, 2528, 2752, 2848, 3160, 3397, 3440, 3560, 3698, 3827, 5056, 5504, 5696, 6320, 6794, 6880, 7031, 7120, 7396, 7654, 9245, 10112, 11392, 12640, 13588, 13760, 14062, 14240, 14792, 15308, 16985, 18490, 19135, 25280, 27176, 27520, 28124, 28480, 29584, 30616, 33970, 35155, 36980, 38270, 50560, 54352, 56248, 56960, 59168, 61232, 67940, 70310, 73960, 76540, 108704, 112496, 118336, 122464, 135880, 140620, 146071, 147920, 153080, 164561, 217408, 224992, 236672, 244928, 271760, 281240, 292142, 295840, 302333, 306160, 329122, 434816, 449984, 489856, 543520, 562480, 584284, 591680, 604666, 612320, 658244, 730355, 822805, 899968, 1087040, 1124960, 1168568, 1183360, 1209332, 1224640, 1316488, 1460710, 1511665, 1645610, 2174080, 2249920, 2337136, 2418664, 2449280, 2632976, 2921420, 3023330, 3291220, 4499840, 4674272, 4837328, 5265952, 5842840, 6046660, 6582440, 9348544, 9674656, 10531904, 11685680, 12093320, 13000319, 13164880, 18697088, 19349312, 21063808, 23371360, 24186640, 26000638, 26329760, 38698624, 46742720, 48373280, 52001276, 52659520, 65001595, 93485440, 96746560, 104002552, 105319040, 130003190, 193493120, 208005104, 260006380, 416010208, 520012760, 832020416, 1040025520, 1664040832, 2080051040, 4160102080, 8320204160]

約数ペア:

[(1, 8320204160), (2, 4160102080), (4, 2080051040), (5, 1664040832), (8, 1040025520), (10, 832020416), (16, 520012760), (20, 416010208), (32, 260006380), (40, 208005104), (43, 193493120), (64, 130003190), (79, 105319040), (80, 104002552), (86, 96746560), (89, 93485440), (128, 65001595), (158, 52659520), (160, 52001276), (172, 48373280), (178, 46742720), (215, 38698624), (316, 26329760), (320, 26000638), (344, 24186640), (356, 23371360), (395, 21063808), (430, 19349312), (445, 18697088), (632, 13164880), (640, 13000319), (688, 12093320), (712, 11685680), (790, 10531904), (860, 9674656), (890, 9348544), (1264, 6582440), (1376, 6046660), (1424, 5842840), (1580, 5265952), (1720, 4837328), (1780, 4674272), (1849, 4499840), (2528, 3291220), (2752, 3023330), (2848, 2921420), (3160, 2632976), (3397, 2449280), (3440, 2418664), (3560, 2337136), (3698, 2249920), (3827, 2174080), (5056, 1645610), (5504, 1511665), (5696, 1460710), (6320, 1316488), (6794, 1224640), (6880, 1209332), (7031, 1183360), (7120, 1168568), (7396, 1124960), (7654, 1087040), (9245, 899968), (10112, 822805), (11392, 730355), (12640, 658244), (13588, 612320), (13760, 604666), (14062, 591680), (14240, 584284), (14792, 562480), (15308, 543520), (16985, 489856), (18490, 449984), (19135, 434816), (25280, 329122), (27176, 306160), (27520, 302333), (28124, 295840), (28480, 292142), (29584, 281240), (30616, 271760), (33970, 244928), (35155, 236672), (36980, 224992), (38270, 217408), (50560, 164561), (54352, 153080), (56248, 147920), (56960, 146071), (59168, 140620), (61232, 135880), (67940, 122464), (70310, 118336), (73960, 112496), (76540, 108704)]