25020720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 92851200

約数和(自身を除く): 67830480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 59, 60, 62, 72, 76, 80, 90, 93, 95, 114, 118, 120, 124, 144, 152, 155, 171, 177, 180, 186, 190, 228, 236, 240, 248, 279, 285, 295, 304, 310, 342, 354, 360, 372, 380, 456, 465, 472, 496, 531, 558, 570, 589, 590, 620, 684, 708, 720, 744, 760, 855, 885, 912, 930, 944, 1062, 1116, 1121, 1140, 1178, 1180, 1240, 1368, 1395, 1416, 1488, 1520, 1710, 1767, 1770, 1829, 1860, 2124, 2232, 2242, 2280, 2356, 2360, 2480, 2655, 2736, 2790, 2832, 2945, 3363, 3420, 3534, 3540, 3658, 3720, 4248, 4464, 4484, 4560, 4712, 4720, 5301, 5310, 5487, 5580, 5605, 5890, 6726, 6840, 7068, 7080, 7316, 7440, 8496, 8835, 8968, 9145, 9424, 10089, 10602, 10620, 10974, 11160, 11210, 11780, 13452, 13680, 14136, 14160, 14632, 16461, 16815, 17670, 17936, 18290, 20178, 21204, 21240, 21948, 22320, 22420, 23560, 26505, 26904, 27435, 28272, 29264, 32922, 33630, 34751, 35340, 36580, 40356, 42408, 42480, 43896, 44840, 47120, 50445, 53010, 53808, 54870, 65844, 67260, 69502, 70680, 73160, 80712, 82305, 84816, 87792, 89680, 100890, 104253, 106020, 109740, 131688, 134520, 139004, 141360, 146320, 161424, 164610, 173755, 201780, 208506, 212040, 219480, 263376, 269040, 278008, 312759, 329220, 347510, 403560, 417012, 424080, 438960, 521265, 556016, 625518, 658440, 695020, 807120, 834024, 1042530, 1251036, 1316880, 1390040, 1563795, 1668048, 2085060, 2502072, 2780080, 3127590, 4170120, 5004144, 6255180, 8340240, 12510360, 25020720]

約数ペア:

[(1, 25020720), (2, 12510360), (3, 8340240), (4, 6255180), (5, 5004144), (6, 4170120), (8, 3127590), (9, 2780080), (10, 2502072), (12, 2085060), (15, 1668048), (16, 1563795), (18, 1390040), (19, 1316880), (20, 1251036), (24, 1042530), (30, 834024), (31, 807120), (36, 695020), (38, 658440), (40, 625518), (45, 556016), (48, 521265), (57, 438960), (59, 424080), (60, 417012), (62, 403560), (72, 347510), (76, 329220), (80, 312759), (90, 278008), (93, 269040), (95, 263376), (114, 219480), (118, 212040), (120, 208506), (124, 201780), (144, 173755), (152, 164610), (155, 161424), (171, 146320), (177, 141360), (180, 139004), (186, 134520), (190, 131688), (228, 109740), (236, 106020), (240, 104253), (248, 100890), (279, 89680), (285, 87792), (295, 84816), (304, 82305), (310, 80712), (342, 73160), (354, 70680), (360, 69502), (372, 67260), (380, 65844), (456, 54870), (465, 53808), (472, 53010), (496, 50445), (531, 47120), (558, 44840), (570, 43896), (589, 42480), (590, 42408), (620, 40356), (684, 36580), (708, 35340), (720, 34751), (744, 33630), (760, 32922), (855, 29264), (885, 28272), (912, 27435), (930, 26904), (944, 26505), (1062, 23560), (1116, 22420), (1121, 22320), (1140, 21948), (1178, 21240), (1180, 21204), (1240, 20178), (1368, 18290), (1395, 17936), (1416, 17670), (1488, 16815), (1520, 16461), (1710, 14632), (1767, 14160), (1770, 14136), (1829, 13680), (1860, 13452), (2124, 11780), (2232, 11210), (2242, 11160), (2280, 10974), (2356, 10620), (2360, 10602), (2480, 10089), (2655, 9424), (2736, 9145), (2790, 8968), (2832, 8835), (2945, 8496), (3363, 7440), (3420, 7316), (3534, 7080), (3540, 7068), (3658, 6840), (3720, 6726), (4248, 5890), (4464, 5605), (4484, 5580), (4560, 5487), (4712, 5310), (4720, 5301)]