204020640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:676

約数の個数: 192

約数和(自身を含む): 723945600

約数和(自身を除く): 519924960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 83, 90, 96, 108, 120, 135, 144, 160, 166, 180, 216, 240, 249, 270, 288, 332, 360, 415, 432, 480, 498, 540, 569, 664, 720, 747, 830, 864, 996, 1080, 1138, 1245, 1328, 1440, 1494, 1660, 1707, 1992, 2160, 2241, 2276, 2490, 2656, 2845, 2988, 3320, 3414, 3735, 3984, 4320, 4482, 4552, 4980, 5121, 5690, 5976, 6640, 6828, 7470, 7968, 8535, 8964, 9104, 9960, 10242, 11205, 11380, 11952, 13280, 13656, 14940, 15363, 17070, 17928, 18208, 19920, 20484, 22410, 22760, 23904, 25605, 27312, 29880, 30726, 34140, 35856, 39840, 40968, 44820, 45520, 47227, 51210, 54624, 59760, 61452, 68280, 71712, 76815, 81936, 89640, 91040, 94454, 102420, 119520, 122904, 136560, 141681, 153630, 163872, 179280, 188908, 204840, 236135, 245808, 273120, 283362, 307260, 358560, 377816, 409680, 425043, 472270, 491616, 566724, 614520, 708405, 755632, 819360, 850086, 944540, 1133448, 1229040, 1275129, 1416810, 1511264, 1700172, 1889080, 2125215, 2266896, 2458080, 2550258, 2833620, 3400344, 3778160, 4250430, 4533792, 5100516, 5667240, 6375645, 6800688, 7556320, 8500860, 10201032, 11334480, 12751290, 13601376, 17001720, 20402064, 22668960, 25502580, 34003440, 40804128, 51005160, 68006880, 102010320, 204020640]

約数ペア:

[(1, 204020640), (2, 102010320), (3, 68006880), (4, 51005160), (5, 40804128), (6, 34003440), (8, 25502580), (9, 22668960), (10, 20402064), (12, 17001720), (15, 13601376), (16, 12751290), (18, 11334480), (20, 10201032), (24, 8500860), (27, 7556320), (30, 6800688), (32, 6375645), (36, 5667240), (40, 5100516), (45, 4533792), (48, 4250430), (54, 3778160), (60, 3400344), (72, 2833620), (80, 2550258), (83, 2458080), (90, 2266896), (96, 2125215), (108, 1889080), (120, 1700172), (135, 1511264), (144, 1416810), (160, 1275129), (166, 1229040), (180, 1133448), (216, 944540), (240, 850086), (249, 819360), (270, 755632), (288, 708405), (332, 614520), (360, 566724), (415, 491616), (432, 472270), (480, 425043), (498, 409680), (540, 377816), (569, 358560), (664, 307260), (720, 283362), (747, 273120), (830, 245808), (864, 236135), (996, 204840), (1080, 188908), (1138, 179280), (1245, 163872), (1328, 153630), (1440, 141681), (1494, 136560), (1660, 122904), (1707, 119520), (1992, 102420), (2160, 94454), (2241, 91040), (2276, 89640), (2490, 81936), (2656, 76815), (2845, 71712), (2988, 68280), (3320, 61452), (3414, 59760), (3735, 54624), (3984, 51210), (4320, 47227), (4482, 45520), (4552, 44820), (4980, 40968), (5121, 39840), (5690, 35856), (5976, 34140), (6640, 30726), (6828, 29880), (7470, 27312), (7968, 25605), (8535, 23904), (8964, 22760), (9104, 22410), (9960, 20484), (10242, 19920), (11205, 18208), (11380, 17928), (11952, 17070), (13280, 15363), (13656, 14940)]