20179968320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{7039}}^1$

素因数の和:7121

約数の個数: 168

約数和(自身を含む): 52700651520

約数和(自身を除く): 32520683200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 289, 310, 320, 340, 496, 527, 544, 578, 620, 680, 992, 1054, 1088, 1156, 1240, 1360, 1445, 1984, 2108, 2312, 2480, 2635, 2720, 2890, 4216, 4624, 4960, 5270, 5440, 5780, 7039, 8432, 8959, 9248, 9920, 10540, 11560, 14078, 16864, 17918, 18496, 21080, 23120, 28156, 33728, 35195, 35836, 42160, 44795, 46240, 56312, 70390, 71672, 84320, 89590, 92480, 112624, 119663, 140780, 143344, 168640, 179180, 218209, 225248, 239326, 281560, 286688, 358360, 436418, 450496, 478652, 563120, 573376, 598315, 716720, 872836, 957304, 1091045, 1126240, 1196630, 1433440, 1745672, 1914608, 2034271, 2182090, 2252480, 2393260, 2866880, 3491344, 3709553, 3829216, 4068542, 4364180, 4786520, 6982688, 7419106, 7658432, 8137084, 8728360, 9573040, 10171355, 13965376, 14838212, 16274168, 17456720, 18547765, 19146080, 20342710, 29676424, 32548336, 34913440, 37095530, 38292160, 40685420, 59352848, 63062401, 65096672, 69826880, 74191060, 81370840, 118705696, 126124802, 130193344, 148382120, 162741680, 237411392, 252249604, 296764240, 315312005, 325483360, 504499208, 593528480, 630624010, 650966720, 1008998416, 1187056960, 1261248020, 2017996832, 2522496040, 4035993664, 5044992080, 10089984160, 20179968320]

約数ペア:

[(1, 20179968320), (2, 10089984160), (4, 5044992080), (5, 4035993664), (8, 2522496040), (10, 2017996832), (16, 1261248020), (17, 1187056960), (20, 1008998416), (31, 650966720), (32, 630624010), (34, 593528480), (40, 504499208), (62, 325483360), (64, 315312005), (68, 296764240), (80, 252249604), (85, 237411392), (124, 162741680), (136, 148382120), (155, 130193344), (160, 126124802), (170, 118705696), (248, 81370840), (272, 74191060), (289, 69826880), (310, 65096672), (320, 63062401), (340, 59352848), (496, 40685420), (527, 38292160), (544, 37095530), (578, 34913440), (620, 32548336), (680, 29676424), (992, 20342710), (1054, 19146080), (1088, 18547765), (1156, 17456720), (1240, 16274168), (1360, 14838212), (1445, 13965376), (1984, 10171355), (2108, 9573040), (2312, 8728360), (2480, 8137084), (2635, 7658432), (2720, 7419106), (2890, 6982688), (4216, 4786520), (4624, 4364180), (4960, 4068542), (5270, 3829216), (5440, 3709553), (5780, 3491344), (7039, 2866880), (8432, 2393260), (8959, 2252480), (9248, 2182090), (9920, 2034271), (10540, 1914608), (11560, 1745672), (14078, 1433440), (16864, 1196630), (17918, 1126240), (18496, 1091045), (21080, 957304), (23120, 872836), (28156, 716720), (33728, 598315), (35195, 573376), (35836, 563120), (42160, 478652), (44795, 450496), (46240, 436418), (56312, 358360), (70390, 286688), (71672, 281560), (84320, 239326), (89590, 225248), (92480, 218209), (112624, 179180), (119663, 168640), (140780, 143344)]