81575550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 288

約数和(自身を含む): 278553600

約数和(自身を除く): 196978050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 29, 30, 35, 38, 42, 45, 47, 50, 57, 58, 63, 70, 75, 87, 90, 94, 95, 105, 114, 126, 133, 141, 145, 150, 171, 174, 175, 190, 203, 210, 225, 235, 261, 266, 282, 285, 290, 315, 329, 342, 350, 399, 406, 423, 435, 450, 470, 475, 522, 525, 551, 570, 609, 630, 658, 665, 705, 725, 798, 846, 855, 870, 893, 950, 987, 1015, 1050, 1102, 1175, 1197, 1218, 1305, 1330, 1363, 1410, 1425, 1450, 1575, 1645, 1653, 1710, 1786, 1827, 1974, 1995, 2030, 2115, 2175, 2350, 2394, 2610, 2679, 2726, 2755, 2850, 2961, 3045, 3150, 3290, 3306, 3325, 3525, 3654, 3857, 3990, 4089, 4230, 4275, 4350, 4465, 4935, 4959, 5075, 5358, 5510, 5922, 5985, 6090, 6251, 6525, 6650, 6815, 7050, 7714, 8037, 8178, 8225, 8265, 8550, 8930, 9135, 9541, 9870, 9918, 9975, 10150, 10575, 11571, 11970, 12267, 12502, 13050, 13395, 13630, 13775, 14805, 15225, 16074, 16450, 16530, 18270, 18753, 19082, 19285, 19950, 20445, 21150, 22325, 23142, 24534, 24675, 24795, 25897, 26790, 27550, 28623, 29610, 29925, 30450, 31255, 34075, 34713, 37506, 38570, 40185, 40890, 41325, 44650, 45675, 47705, 49350, 49590, 51794, 56259, 57246, 57855, 59850, 61335, 62510, 66975, 68150, 69426, 74025, 77691, 80370, 82650, 85869, 91350, 93765, 95410, 96425, 102225, 112518, 115710, 122670, 123975, 129485, 133950, 143115, 148050, 155382, 156275, 171738, 173565, 181279, 187530, 192850, 200925, 204450, 233073, 238525, 247950, 258970, 281295, 286230, 289275, 306675, 312550, 347130, 362558, 388455, 401850, 429345, 466146, 468825, 477050, 543837, 562590, 578550, 613350, 647425, 715575, 776910, 858690, 867825, 906395, 937650, 1087674, 1165365, 1294850, 1406475, 1431150, 1631511, 1735650, 1812790, 1942275, 2146725, 2330730, 2719185, 2812950, 3263022, 3884550, 4293450, 4531975, 5438370, 5826825, 8157555, 9063950, 11653650, 13595925, 16315110, 27191850, 40787775, 81575550]

約数ペア:

[(1, 81575550), (2, 40787775), (3, 27191850), (5, 16315110), (6, 13595925), (7, 11653650), (9, 9063950), (10, 8157555), (14, 5826825), (15, 5438370), (18, 4531975), (19, 4293450), (21, 3884550), (25, 3263022), (29, 2812950), (30, 2719185), (35, 2330730), (38, 2146725), (42, 1942275), (45, 1812790), (47, 1735650), (50, 1631511), (57, 1431150), (58, 1406475), (63, 1294850), (70, 1165365), (75, 1087674), (87, 937650), (90, 906395), (94, 867825), (95, 858690), (105, 776910), (114, 715575), (126, 647425), (133, 613350), (141, 578550), (145, 562590), (150, 543837), (171, 477050), (174, 468825), (175, 466146), (190, 429345), (203, 401850), (210, 388455), (225, 362558), (235, 347130), (261, 312550), (266, 306675), (282, 289275), (285, 286230), (290, 281295), (315, 258970), (329, 247950), (342, 238525), (350, 233073), (399, 204450), (406, 200925), (423, 192850), (435, 187530), (450, 181279), (470, 173565), (475, 171738), (522, 156275), (525, 155382), (551, 148050), (570, 143115), (609, 133950), (630, 129485), (658, 123975), (665, 122670), (705, 115710), (725, 112518), (798, 102225), (846, 96425), (855, 95410), (870, 93765), (893, 91350), (950, 85869), (987, 82650), (1015, 80370), (1050, 77691), (1102, 74025), (1175, 69426), (1197, 68150), (1218, 66975), (1305, 62510), (1330, 61335), (1363, 59850), (1410, 57855), (1425, 57246), (1450, 56259), (1575, 51794), (1645, 49590), (1653, 49350), (1710, 47705), (1786, 45675), (1827, 44650), (1974, 41325), (1995, 40890), (2030, 40185), (2115, 38570), (2175, 37506), (2350, 34713), (2394, 34075), (2610, 31255), (2679, 30450), (2726, 29925), (2755, 29610), (2850, 28623), (2961, 27550), (3045, 26790), (3150, 25897), (3290, 24795), (3306, 24675), (3325, 24534), (3525, 23142), (3654, 22325), (3857, 21150), (3990, 20445), (4089, 19950), (4230, 19285), (4275, 19082), (4350, 18753), (4465, 18270), (4935, 16530), (4959, 16450), (5075, 16074), (5358, 15225), (5510, 14805), (5922, 13775), (5985, 13630), (6090, 13395), (6251, 13050), (6525, 12502), (6650, 12267), (6815, 11970), (7050, 11571), (7714, 10575), (8037, 10150), (8178, 9975), (8225, 9918), (8265, 9870), (8550, 9541), (8930, 9135)]