20790529440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{82189}}^1$

素因数の和:82255

約数の個数: 192

約数和(自身を含む): 71580257280

約数和(自身を除く): 50789727840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 96, 102, 120, 124, 136, 155, 160, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 480, 496, 510, 527, 544, 620, 680, 744, 816, 930, 992, 1020, 1054, 1240, 1360, 1488, 1581, 1632, 1860, 2040, 2108, 2480, 2635, 2720, 2976, 3162, 3720, 4080, 4216, 4960, 5270, 6324, 7440, 7905, 8160, 8432, 10540, 12648, 14880, 15810, 16864, 21080, 25296, 31620, 42160, 50592, 63240, 82189, 84320, 126480, 164378, 246567, 252960, 328756, 410945, 493134, 657512, 821890, 986268, 1232835, 1315024, 1397213, 1643780, 1972536, 2465670, 2547859, 2630048, 2794426, 3287560, 3945072, 4191639, 4931340, 5095718, 5588852, 6575120, 6986065, 7643577, 7890144, 8383278, 9862680, 10191436, 11177704, 12739295, 13150240, 13972130, 15287154, 16766556, 19725360, 20382872, 20958195, 22355408, 25478590, 27944260, 30574308, 33533112, 38217885, 39450720, 40765744, 41916390, 43313603, 44710816, 50957180, 55888520, 61148616, 67066224, 76435770, 81531488, 83832780, 86627206, 101914360, 111777040, 122297232, 129940809, 134132448, 152871540, 167665560, 173254412, 203828720, 216568015, 223554080, 244594464, 259881618, 305743080, 335331120, 346508824, 407657440, 433136030, 519763236, 611486160, 649704045, 670662240, 693017648, 866272060, 1039526472, 1222972320, 1299408090, 1386035296, 1732544120, 2079052944, 2598816180, 3465088240, 4158105888, 5197632360, 6930176480, 10395264720, 20790529440]

約数ペア:

[(1, 20790529440), (2, 10395264720), (3, 6930176480), (4, 5197632360), (5, 4158105888), (6, 3465088240), (8, 2598816180), (10, 2079052944), (12, 1732544120), (15, 1386035296), (16, 1299408090), (17, 1222972320), (20, 1039526472), (24, 866272060), (30, 693017648), (31, 670662240), (32, 649704045), (34, 611486160), (40, 519763236), (48, 433136030), (51, 407657440), (60, 346508824), (62, 335331120), (68, 305743080), (80, 259881618), (85, 244594464), (93, 223554080), (96, 216568015), (102, 203828720), (120, 173254412), (124, 167665560), (136, 152871540), (155, 134132448), (160, 129940809), (170, 122297232), (186, 111777040), (204, 101914360), (240, 86627206), (248, 83832780), (255, 81531488), (272, 76435770), (310, 67066224), (340, 61148616), (372, 55888520), (408, 50957180), (465, 44710816), (480, 43313603), (496, 41916390), (510, 40765744), (527, 39450720), (544, 38217885), (620, 33533112), (680, 30574308), (744, 27944260), (816, 25478590), (930, 22355408), (992, 20958195), (1020, 20382872), (1054, 19725360), (1240, 16766556), (1360, 15287154), (1488, 13972130), (1581, 13150240), (1632, 12739295), (1860, 11177704), (2040, 10191436), (2108, 9862680), (2480, 8383278), (2635, 7890144), (2720, 7643577), (2976, 6986065), (3162, 6575120), (3720, 5588852), (4080, 5095718), (4216, 4931340), (4960, 4191639), (5270, 3945072), (6324, 3287560), (7440, 2794426), (7905, 2630048), (8160, 2547859), (8432, 2465670), (10540, 1972536), (12648, 1643780), (14880, 1397213), (15810, 1315024), (16864, 1232835), (21080, 986268), (25296, 821890), (31620, 657512), (42160, 493134), (50592, 410945), (63240, 328756), (82189, 252960), (84320, 246567), (126480, 164378)]