440400480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 288

約数和(自身を含む): 1543963680

約数和(自身を除く): 1103563200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 61, 65, 78, 80, 89, 96, 104, 120, 122, 130, 156, 160, 169, 178, 183, 195, 208, 240, 244, 260, 267, 305, 312, 338, 356, 366, 390, 416, 445, 480, 488, 507, 520, 534, 610, 624, 676, 712, 732, 780, 793, 845, 890, 915, 976, 1014, 1040, 1068, 1157, 1220, 1248, 1335, 1352, 1424, 1464, 1560, 1586, 1690, 1780, 1830, 1952, 2028, 2080, 2136, 2314, 2379, 2440, 2535, 2670, 2704, 2848, 2928, 3120, 3172, 3380, 3471, 3560, 3660, 3965, 4056, 4272, 4628, 4758, 4880, 5070, 5340, 5408, 5429, 5785, 5856, 6240, 6344, 6760, 6942, 7120, 7320, 7930, 8112, 8544, 9256, 9516, 9760, 10140, 10309, 10680, 10858, 11570, 11895, 12688, 13520, 13884, 14240, 14640, 15041, 15860, 16224, 16287, 17355, 18512, 19032, 20280, 20618, 21360, 21716, 23140, 23790, 25376, 27040, 27145, 27768, 29280, 30082, 30927, 31720, 32574, 34710, 37024, 38064, 40560, 41236, 42720, 43432, 45123, 46280, 47580, 51545, 54290, 55536, 60164, 61854, 63440, 65148, 69420, 70577, 75205, 76128, 81120, 81435, 82472, 86864, 90246, 92560, 95160, 103090, 108580, 111072, 120328, 123708, 126880, 130296, 138840, 141154, 150410, 154635, 162870, 164944, 173728, 180492, 185120, 190320, 206180, 211731, 217160, 225615, 240656, 247416, 260592, 277680, 282308, 300820, 309270, 325740, 329888, 352885, 360984, 380640, 412360, 423462, 434320, 451230, 481312, 494832, 521184, 555360, 564616, 601640, 618540, 651480, 705770, 721968, 824720, 846924, 868640, 902460, 917501, 989664, 1058655, 1129232, 1203280, 1237080, 1302960, 1411540, 1443936, 1649440, 1693848, 1804920, 1835002, 2117310, 2258464, 2406560, 2474160, 2605920, 2752503, 2823080, 3387696, 3609840, 3670004, 4234620, 4587505, 4948320, 5505006, 5646160, 6775392, 7219680, 7340008, 8469240, 9175010, 11010012, 11292320, 13762515, 14680016, 16938480, 18350020, 22020024, 27525030, 29360032, 33876960, 36700040, 44040048, 55050060, 73400080, 88080096, 110100120, 146800160, 220200240, 440400480]

約数ペア:

[(1, 440400480), (2, 220200240), (3, 146800160), (4, 110100120), (5, 88080096), (6, 73400080), (8, 55050060), (10, 44040048), (12, 36700040), (13, 33876960), (15, 29360032), (16, 27525030), (20, 22020024), (24, 18350020), (26, 16938480), (30, 14680016), (32, 13762515), (39, 11292320), (40, 11010012), (48, 9175010), (52, 8469240), (60, 7340008), (61, 7219680), (65, 6775392), (78, 5646160), (80, 5505006), (89, 4948320), (96, 4587505), (104, 4234620), (120, 3670004), (122, 3609840), (130, 3387696), (156, 2823080), (160, 2752503), (169, 2605920), (178, 2474160), (183, 2406560), (195, 2258464), (208, 2117310), (240, 1835002), (244, 1804920), (260, 1693848), (267, 1649440), (305, 1443936), (312, 1411540), (338, 1302960), (356, 1237080), (366, 1203280), (390, 1129232), (416, 1058655), (445, 989664), (480, 917501), (488, 902460), (507, 868640), (520, 846924), (534, 824720), (610, 721968), (624, 705770), (676, 651480), (712, 618540), (732, 601640), (780, 564616), (793, 555360), (845, 521184), (890, 494832), (915, 481312), (976, 451230), (1014, 434320), (1040, 423462), (1068, 412360), (1157, 380640), (1220, 360984), (1248, 352885), (1335, 329888), (1352, 325740), (1424, 309270), (1464, 300820), (1560, 282308), (1586, 277680), (1690, 260592), (1780, 247416), (1830, 240656), (1952, 225615), (2028, 217160), (2080, 211731), (2136, 206180), (2314, 190320), (2379, 185120), (2440, 180492), (2535, 173728), (2670, 164944), (2704, 162870), (2848, 154635), (2928, 150410), (3120, 141154), (3172, 138840), (3380, 130296), (3471, 126880), (3560, 123708), (3660, 120328), (3965, 111072), (4056, 108580), (4272, 103090), (4628, 95160), (4758, 92560), (4880, 90246), (5070, 86864), (5340, 82472), (5408, 81435), (5429, 81120), (5785, 76128), (5856, 75205), (6240, 70577), (6344, 69420), (6760, 65148), (6942, 63440), (7120, 61854), (7320, 60164), (7930, 55536), (8112, 54290), (8544, 51545), (9256, 47580), (9516, 46280), (9760, 45123), (10140, 43432), (10309, 42720), (10680, 41236), (10858, 40560), (11570, 38064), (11895, 37024), (12688, 34710), (13520, 32574), (13884, 31720), (14240, 30927), (14640, 30082), (15041, 29280), (15860, 27768), (16224, 27145), (16287, 27040), (17355, 25376), (18512, 23790), (19032, 23140), (20280, 21716), (20618, 21360)]