80007200

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:204

約数の個数: 216

約数和(自身を含む): 246242052

約数和(自身を除く): 166234852

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 130, 140, 157, 160, 175, 182, 196, 200, 208, 224, 245, 260, 280, 314, 325, 350, 364, 392, 400, 416, 455, 490, 520, 560, 628, 637, 650, 700, 728, 784, 785, 800, 910, 980, 1040, 1099, 1120, 1225, 1256, 1274, 1300, 1400, 1456, 1568, 1570, 1820, 1960, 2041, 2080, 2198, 2275, 2450, 2512, 2548, 2600, 2800, 2912, 3140, 3185, 3640, 3920, 3925, 4082, 4396, 4550, 4900, 5024, 5096, 5200, 5495, 5600, 6280, 6370, 7280, 7693, 7840, 7850, 8164, 8792, 9100, 9800, 10192, 10205, 10400, 10990, 12560, 12740, 14287, 14560, 15386, 15700, 15925, 16328, 17584, 18200, 19600, 20384, 20410, 21980, 25120, 25480, 27475, 28574, 30772, 31400, 31850, 32656, 35168, 36400, 38465, 39200, 40820, 43960, 50960, 51025, 54950, 57148, 61544, 62800, 63700, 65312, 71435, 72800, 76930, 81640, 87920, 100009, 101920, 102050, 109900, 114296, 123088, 125600, 127400, 142870, 153860, 163280, 175840, 192325, 200018, 204100, 219800, 228592, 246176, 254800, 285740, 307720, 326560, 357175, 384650, 400036, 408200, 439600, 457184, 500045, 509600, 571480, 615440, 714350, 769300, 800072, 816400, 879200, 1000090, 1142960, 1230880, 1428700, 1538600, 1600144, 1632800, 2000180, 2285920, 2500225, 2857400, 3077200, 3200288, 4000360, 5000450, 5714800, 6154400, 8000720, 10000900, 11429600, 16001440, 20001800, 40003600, 80007200]

約数ペア:

[(1, 80007200), (2, 40003600), (4, 20001800), (5, 16001440), (7, 11429600), (8, 10000900), (10, 8000720), (13, 6154400), (14, 5714800), (16, 5000450), (20, 4000360), (25, 3200288), (26, 3077200), (28, 2857400), (32, 2500225), (35, 2285920), (40, 2000180), (49, 1632800), (50, 1600144), (52, 1538600), (56, 1428700), (65, 1230880), (70, 1142960), (80, 1000090), (91, 879200), (98, 816400), (100, 800072), (104, 769300), (112, 714350), (130, 615440), (140, 571480), (157, 509600), (160, 500045), (175, 457184), (182, 439600), (196, 408200), (200, 400036), (208, 384650), (224, 357175), (245, 326560), (260, 307720), (280, 285740), (314, 254800), (325, 246176), (350, 228592), (364, 219800), (392, 204100), (400, 200018), (416, 192325), (455, 175840), (490, 163280), (520, 153860), (560, 142870), (628, 127400), (637, 125600), (650, 123088), (700, 114296), (728, 109900), (784, 102050), (785, 101920), (800, 100009), (910, 87920), (980, 81640), (1040, 76930), (1099, 72800), (1120, 71435), (1225, 65312), (1256, 63700), (1274, 62800), (1300, 61544), (1400, 57148), (1456, 54950), (1568, 51025), (1570, 50960), (1820, 43960), (1960, 40820), (2041, 39200), (2080, 38465), (2198, 36400), (2275, 35168), (2450, 32656), (2512, 31850), (2548, 31400), (2600, 30772), (2800, 28574), (2912, 27475), (3140, 25480), (3185, 25120), (3640, 21980), (3920, 20410), (3925, 20384), (4082, 19600), (4396, 18200), (4550, 17584), (4900, 16328), (5024, 15925), (5096, 15700), (5200, 15386), (5495, 14560), (5600, 14287), (6280, 12740), (6370, 12560), (7280, 10990), (7693, 10400), (7840, 10205), (7850, 10192), (8164, 9800), (8792, 9100)]