20815974720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{136373}}^1$

素因数の和:136449

約数の個数: 168

約数和(自身を含む): 72949725576

約数和(自身を除く): 52133750856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 192, 212, 240, 265, 288, 318, 320, 360, 424, 477, 480, 530, 576, 636, 720, 795, 848, 954, 960, 1060, 1272, 1440, 1590, 1696, 1908, 2120, 2385, 2544, 2880, 3180, 3392, 3816, 4240, 4770, 5088, 6360, 7632, 8480, 9540, 10176, 12720, 15264, 16960, 19080, 25440, 30528, 38160, 50880, 76320, 136373, 152640, 272746, 409119, 545492, 681865, 818238, 1090984, 1227357, 1363730, 1636476, 2045595, 2181968, 2454714, 2727460, 3272952, 4091190, 4363936, 4909428, 5454920, 6136785, 6545904, 7227769, 8182380, 8727872, 9818856, 10909840, 12273570, 13091808, 14455538, 16364760, 19637712, 21683307, 21819680, 24547140, 26183616, 28911076, 32729520, 36138845, 39275424, 43366614, 43639360, 49094280, 57822152, 65049921, 65459040, 72277690, 78550848, 86733228, 98188560, 108416535, 115644304, 130099842, 130918080, 144555380, 173466456, 196377120, 216833070, 231288608, 260199684, 289110760, 325249605, 346932912, 392754240, 433666140, 462577216, 520399368, 578221520, 650499210, 693865824, 867332280, 1040798736, 1156443040, 1300998420, 1387731648, 1734664560, 2081597472, 2312886080, 2601996840, 3469329120, 4163194944, 5203993680, 6938658240, 10407987360, 20815974720]

約数ペア:

[(1, 20815974720), (2, 10407987360), (3, 6938658240), (4, 5203993680), (5, 4163194944), (6, 3469329120), (8, 2601996840), (9, 2312886080), (10, 2081597472), (12, 1734664560), (15, 1387731648), (16, 1300998420), (18, 1156443040), (20, 1040798736), (24, 867332280), (30, 693865824), (32, 650499210), (36, 578221520), (40, 520399368), (45, 462577216), (48, 433666140), (53, 392754240), (60, 346932912), (64, 325249605), (72, 289110760), (80, 260199684), (90, 231288608), (96, 216833070), (106, 196377120), (120, 173466456), (144, 144555380), (159, 130918080), (160, 130099842), (180, 115644304), (192, 108416535), (212, 98188560), (240, 86733228), (265, 78550848), (288, 72277690), (318, 65459040), (320, 65049921), (360, 57822152), (424, 49094280), (477, 43639360), (480, 43366614), (530, 39275424), (576, 36138845), (636, 32729520), (720, 28911076), (795, 26183616), (848, 24547140), (954, 21819680), (960, 21683307), (1060, 19637712), (1272, 16364760), (1440, 14455538), (1590, 13091808), (1696, 12273570), (1908, 10909840), (2120, 9818856), (2385, 8727872), (2544, 8182380), (2880, 7227769), (3180, 6545904), (3392, 6136785), (3816, 5454920), (4240, 4909428), (4770, 4363936), (5088, 4091190), (6360, 3272952), (7632, 2727460), (8480, 2454714), (9540, 2181968), (10176, 2045595), (12720, 1636476), (15264, 1363730), (16960, 1227357), (19080, 1090984), (25440, 818238), (30528, 681865), (38160, 545492), (50880, 409119), (76320, 272746), (136373, 152640)]