181030500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^2\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 216

約数和(自身を含む): 665139384

約数和(自身を除く): 484108884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 105, 125, 126, 140, 147, 150, 175, 180, 196, 210, 225, 245, 250, 252, 294, 300, 315, 350, 375, 420, 441, 450, 490, 500, 525, 588, 630, 700, 735, 750, 821, 875, 882, 900, 980, 1050, 1125, 1225, 1260, 1470, 1500, 1575, 1642, 1750, 1764, 2100, 2205, 2250, 2450, 2463, 2625, 2940, 3150, 3284, 3500, 3675, 4105, 4410, 4500, 4900, 4926, 5250, 5747, 6125, 6300, 7350, 7389, 7875, 8210, 8820, 9852, 10500, 11025, 11494, 12250, 12315, 14700, 14778, 15750, 16420, 17241, 18375, 20525, 22050, 22988, 24500, 24630, 28735, 29556, 31500, 34482, 36750, 36945, 40229, 41050, 44100, 49260, 51723, 55125, 57470, 61575, 68964, 73500, 73890, 80458, 82100, 86205, 102625, 103446, 110250, 114940, 120687, 123150, 143675, 147780, 160916, 172410, 184725, 201145, 205250, 206892, 220500, 241374, 246300, 258615, 287350, 307875, 344820, 362061, 369450, 402290, 410500, 431025, 482748, 517230, 574700, 603435, 615750, 718375, 724122, 738900, 804580, 862050, 923625, 1005725, 1034460, 1206870, 1231500, 1293075, 1436750, 1448244, 1724100, 1810305, 1847250, 2011450, 2155125, 2413740, 2586150, 2873500, 3017175, 3620610, 3694500, 4022900, 4310250, 5028625, 5172300, 6034350, 6465375, 7241220, 8620500, 9051525, 10057250, 12068700, 12930750, 15085875, 18103050, 20114500, 25861500, 30171750, 36206100, 45257625, 60343500, 90515250, 181030500]

約数ペア:

[(1, 181030500), (2, 90515250), (3, 60343500), (4, 45257625), (5, 36206100), (6, 30171750), (7, 25861500), (9, 20114500), (10, 18103050), (12, 15085875), (14, 12930750), (15, 12068700), (18, 10057250), (20, 9051525), (21, 8620500), (25, 7241220), (28, 6465375), (30, 6034350), (35, 5172300), (36, 5028625), (42, 4310250), (45, 4022900), (49, 3694500), (50, 3620610), (60, 3017175), (63, 2873500), (70, 2586150), (75, 2413740), (84, 2155125), (90, 2011450), (98, 1847250), (100, 1810305), (105, 1724100), (125, 1448244), (126, 1436750), (140, 1293075), (147, 1231500), (150, 1206870), (175, 1034460), (180, 1005725), (196, 923625), (210, 862050), (225, 804580), (245, 738900), (250, 724122), (252, 718375), (294, 615750), (300, 603435), (315, 574700), (350, 517230), (375, 482748), (420, 431025), (441, 410500), (450, 402290), (490, 369450), (500, 362061), (525, 344820), (588, 307875), (630, 287350), (700, 258615), (735, 246300), (750, 241374), (821, 220500), (875, 206892), (882, 205250), (900, 201145), (980, 184725), (1050, 172410), (1125, 160916), (1225, 147780), (1260, 143675), (1470, 123150), (1500, 120687), (1575, 114940), (1642, 110250), (1750, 103446), (1764, 102625), (2100, 86205), (2205, 82100), (2250, 80458), (2450, 73890), (2463, 73500), (2625, 68964), (2940, 61575), (3150, 57470), (3284, 55125), (3500, 51723), (3675, 49260), (4105, 44100), (4410, 41050), (4500, 40229), (4900, 36945), (4926, 36750), (5250, 34482), (5747, 31500), (6125, 29556), (6300, 28735), (7350, 24630), (7389, 24500), (7875, 22988), (8210, 22050), (8820, 20525), (9852, 18375), (10500, 17241), (11025, 16420), (11494, 15750), (12250, 14778), (12315, 14700)]