642589920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^3\times {\mathrm{1301}}^1$

素因数の和:1343

約数の個数: 288

約数和(自身を含む): 2559211200

約数和(自身を除く): 1916621280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 343, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 686, 720, 735, 784, 840, 882, 980, 1008, 1029, 1120, 1176, 1260, 1301, 1372, 1440, 1470, 1568, 1680, 1715, 1764, 1960, 2016, 2058, 2205, 2352, 2520, 2602, 2744, 2940, 3087, 3360, 3430, 3528, 3903, 3920, 4116, 4410, 4704, 5040, 5145, 5204, 5488, 5880, 6174, 6505, 6860, 7056, 7806, 7840, 8232, 8820, 9107, 10080, 10290, 10408, 10976, 11709, 11760, 12348, 13010, 13720, 14112, 15435, 15612, 16464, 17640, 18214, 19515, 20580, 20816, 23418, 23520, 24696, 26020, 27321, 27440, 30870, 31224, 32928, 35280, 36428, 39030, 41160, 41632, 45535, 46836, 49392, 52040, 54642, 54880, 58545, 61740, 62448, 63749, 70560, 72856, 78060, 81963, 82320, 91070, 93672, 98784, 104080, 109284, 117090, 123480, 124896, 127498, 136605, 145712, 156120, 163926, 164640, 182140, 187344, 191247, 208160, 218568, 234180, 246960, 254996, 273210, 291424, 312240, 318745, 327852, 364280, 374688, 382494, 409815, 437136, 446243, 468360, 493920, 509992, 546420, 573741, 624480, 637490, 655704, 728560, 764988, 819630, 874272, 892486, 936720, 956235, 1019984, 1092840, 1147482, 1274980, 1311408, 1338729, 1457120, 1529976, 1639260, 1784972, 1873440, 1912470, 2039968, 2185680, 2231215, 2294964, 2549960, 2622816, 2677458, 2868705, 3059952, 3278520, 3569944, 3824940, 4016187, 4371360, 4462430, 4589928, 5099920, 5354916, 5737410, 6119904, 6557040, 6693645, 7139888, 7649880, 8032374, 8924860, 9179856, 10199840, 10709832, 11474820, 13114080, 13387290, 14279776, 15299760, 16064748, 17849720, 18359712, 20080935, 21419664, 22949640, 26774580, 30599520, 32129496, 35699440, 40161870, 42839328, 45899280, 53549160, 64258992, 71398880, 80323740, 91798560, 107098320, 128517984, 160647480, 214196640, 321294960, 642589920]

約数ペア:

[(1, 642589920), (2, 321294960), (3, 214196640), (4, 160647480), (5, 128517984), (6, 107098320), (7, 91798560), (8, 80323740), (9, 71398880), (10, 64258992), (12, 53549160), (14, 45899280), (15, 42839328), (16, 40161870), (18, 35699440), (20, 32129496), (21, 30599520), (24, 26774580), (28, 22949640), (30, 21419664), (32, 20080935), (35, 18359712), (36, 17849720), (40, 16064748), (42, 15299760), (45, 14279776), (48, 13387290), (49, 13114080), (56, 11474820), (60, 10709832), (63, 10199840), (70, 9179856), (72, 8924860), (80, 8032374), (84, 7649880), (90, 7139888), (96, 6693645), (98, 6557040), (105, 6119904), (112, 5737410), (120, 5354916), (126, 5099920), (140, 4589928), (144, 4462430), (147, 4371360), (160, 4016187), (168, 3824940), (180, 3569944), (196, 3278520), (210, 3059952), (224, 2868705), (240, 2677458), (245, 2622816), (252, 2549960), (280, 2294964), (288, 2231215), (294, 2185680), (315, 2039968), (336, 1912470), (343, 1873440), (360, 1784972), (392, 1639260), (420, 1529976), (441, 1457120), (480, 1338729), (490, 1311408), (504, 1274980), (560, 1147482), (588, 1092840), (630, 1019984), (672, 956235), (686, 936720), (720, 892486), (735, 874272), (784, 819630), (840, 764988), (882, 728560), (980, 655704), (1008, 637490), (1029, 624480), (1120, 573741), (1176, 546420), (1260, 509992), (1301, 493920), (1372, 468360), (1440, 446243), (1470, 437136), (1568, 409815), (1680, 382494), (1715, 374688), (1764, 364280), (1960, 327852), (2016, 318745), (2058, 312240), (2205, 291424), (2352, 273210), (2520, 254996), (2602, 246960), (2744, 234180), (2940, 218568), (3087, 208160), (3360, 191247), (3430, 187344), (3528, 182140), (3903, 164640), (3920, 163926), (4116, 156120), (4410, 145712), (4704, 136605), (5040, 127498), (5145, 124896), (5204, 123480), (5488, 117090), (5880, 109284), (6174, 104080), (6505, 98784), (6860, 93672), (7056, 91070), (7806, 82320), (7840, 81963), (8232, 78060), (8820, 72856), (9107, 70560), (10080, 63749), (10290, 62448), (10408, 61740), (10976, 58545), (11709, 54880), (11760, 54642), (12348, 52040), (13010, 49392), (13720, 46836), (14112, 45535), (15435, 41632), (15612, 41160), (16464, 39030), (17640, 36428), (18214, 35280), (19515, 32928), (20580, 31224), (20816, 30870), (23418, 27440), (23520, 27321), (24696, 26020)]