81490500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:244

約数の個数: 288

約数和(自身を含む): 317990400

約数和(自身を除く): 236499900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 28, 30, 35, 36, 39, 42, 45, 50, 52, 60, 63, 65, 70, 75, 78, 84, 90, 91, 100, 105, 117, 125, 126, 130, 140, 150, 156, 175, 180, 182, 195, 199, 210, 225, 234, 250, 252, 260, 273, 300, 315, 325, 350, 364, 375, 390, 398, 420, 450, 455, 468, 500, 525, 546, 585, 597, 630, 650, 700, 750, 780, 796, 819, 875, 900, 910, 975, 995, 1050, 1092, 1125, 1170, 1194, 1260, 1300, 1365, 1393, 1500, 1575, 1625, 1638, 1750, 1791, 1820, 1950, 1990, 2100, 2250, 2275, 2340, 2388, 2587, 2625, 2730, 2786, 2925, 2985, 3150, 3250, 3276, 3500, 3582, 3900, 3980, 4095, 4179, 4500, 4550, 4875, 4975, 5174, 5250, 5460, 5572, 5850, 5970, 6300, 6500, 6825, 6965, 7164, 7761, 7875, 8190, 8358, 8955, 9100, 9750, 9950, 10348, 10500, 11375, 11700, 11940, 12537, 12935, 13650, 13930, 14625, 14925, 15522, 15750, 16380, 16716, 17910, 18109, 19500, 19900, 20475, 20895, 22750, 23283, 24875, 25074, 25870, 27300, 27860, 29250, 29850, 31044, 31500, 34125, 34825, 35820, 36218, 38805, 40950, 41790, 44775, 45500, 46566, 49750, 50148, 51740, 54327, 58500, 59700, 62685, 64675, 68250, 69650, 72436, 74625, 77610, 81900, 83580, 89550, 90545, 93132, 99500, 102375, 104475, 108654, 116415, 125370, 129350, 136500, 139300, 149250, 155220, 162981, 174125, 179100, 181090, 194025, 204750, 208950, 217308, 223875, 232830, 250740, 258700, 271635, 298500, 313425, 323375, 325962, 348250, 362180, 388050, 409500, 417900, 447750, 452725, 465660, 522375, 543270, 582075, 626850, 646750, 651924, 696500, 776100, 814905, 895500, 905450, 970125, 1044750, 1086540, 1164150, 1253700, 1293500, 1358175, 1567125, 1629810, 1810900, 1940250, 2089500, 2263625, 2328300, 2716350, 2910375, 3134250, 3259620, 3880500, 4074525, 4527250, 5432700, 5820750, 6268500, 6790875, 8149050, 9054500, 11641500, 13581750, 16298100, 20372625, 27163500, 40745250, 81490500]

約数ペア:

[(1, 81490500), (2, 40745250), (3, 27163500), (4, 20372625), (5, 16298100), (6, 13581750), (7, 11641500), (9, 9054500), (10, 8149050), (12, 6790875), (13, 6268500), (14, 5820750), (15, 5432700), (18, 4527250), (20, 4074525), (21, 3880500), (25, 3259620), (26, 3134250), (28, 2910375), (30, 2716350), (35, 2328300), (36, 2263625), (39, 2089500), (42, 1940250), (45, 1810900), (50, 1629810), (52, 1567125), (60, 1358175), (63, 1293500), (65, 1253700), (70, 1164150), (75, 1086540), (78, 1044750), (84, 970125), (90, 905450), (91, 895500), (100, 814905), (105, 776100), (117, 696500), (125, 651924), (126, 646750), (130, 626850), (140, 582075), (150, 543270), (156, 522375), (175, 465660), (180, 452725), (182, 447750), (195, 417900), (199, 409500), (210, 388050), (225, 362180), (234, 348250), (250, 325962), (252, 323375), (260, 313425), (273, 298500), (300, 271635), (315, 258700), (325, 250740), (350, 232830), (364, 223875), (375, 217308), (390, 208950), (398, 204750), (420, 194025), (450, 181090), (455, 179100), (468, 174125), (500, 162981), (525, 155220), (546, 149250), (585, 139300), (597, 136500), (630, 129350), (650, 125370), (700, 116415), (750, 108654), (780, 104475), (796, 102375), (819, 99500), (875, 93132), (900, 90545), (910, 89550), (975, 83580), (995, 81900), (1050, 77610), (1092, 74625), (1125, 72436), (1170, 69650), (1194, 68250), (1260, 64675), (1300, 62685), (1365, 59700), (1393, 58500), (1500, 54327), (1575, 51740), (1625, 50148), (1638, 49750), (1750, 46566), (1791, 45500), (1820, 44775), (1950, 41790), (1990, 40950), (2100, 38805), (2250, 36218), (2275, 35820), (2340, 34825), (2388, 34125), (2587, 31500), (2625, 31044), (2730, 29850), (2786, 29250), (2925, 27860), (2985, 27300), (3150, 25870), (3250, 25074), (3276, 24875), (3500, 23283), (3582, 22750), (3900, 20895), (3980, 20475), (4095, 19900), (4179, 19500), (4500, 18109), (4550, 17910), (4875, 16716), (4975, 16380), (5174, 15750), (5250, 15522), (5460, 14925), (5572, 14625), (5850, 13930), (5970, 13650), (6300, 12935), (6500, 12537), (6825, 11940), (6965, 11700), (7164, 11375), (7761, 10500), (7875, 10348), (8190, 9950), (8358, 9750), (8955, 9100)]