251106660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:675

約数の個数: 288

約数和(自身を含む): 971792640

約数和(自身を除く): 720685980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 28, 30, 34, 35, 36, 38, 42, 45, 51, 57, 60, 63, 68, 70, 76, 84, 85, 90, 95, 102, 105, 114, 119, 126, 133, 140, 153, 170, 171, 180, 190, 204, 210, 228, 238, 252, 255, 266, 285, 306, 315, 323, 340, 342, 357, 380, 399, 420, 476, 510, 532, 570, 595, 612, 617, 630, 646, 665, 684, 714, 765, 798, 855, 969, 1020, 1071, 1140, 1190, 1197, 1234, 1260, 1292, 1330, 1428, 1530, 1596, 1615, 1710, 1785, 1851, 1938, 1995, 2142, 2261, 2380, 2394, 2468, 2660, 2907, 3060, 3085, 3230, 3420, 3570, 3702, 3876, 3990, 4284, 4319, 4522, 4788, 4845, 5355, 5553, 5814, 5985, 6170, 6460, 6783, 7140, 7404, 7980, 8638, 9044, 9255, 9690, 10489, 10710, 11106, 11305, 11628, 11723, 11970, 12340, 12957, 13566, 14535, 17276, 18510, 19380, 20349, 20978, 21420, 21595, 22212, 22610, 23446, 23940, 25914, 27132, 27765, 29070, 31467, 33915, 35169, 37020, 38871, 40698, 41956, 43190, 45220, 46892, 51828, 52445, 55530, 58140, 58615, 62934, 64785, 67830, 70338, 73423, 77742, 81396, 82061, 86380, 94401, 101745, 104890, 105507, 111060, 117230, 125868, 129570, 135660, 140676, 146846, 155484, 157335, 164122, 175845, 188802, 194355, 199291, 203490, 209780, 211014, 220269, 234460, 246183, 259140, 293692, 314670, 328244, 351690, 367115, 377604, 388710, 398582, 406980, 410305, 422028, 440538, 472005, 492366, 527535, 597873, 629340, 660807, 703380, 734230, 738549, 777420, 797164, 820610, 881076, 944010, 984732, 996455, 1055070, 1101345, 1195746, 1230915, 1321614, 1395037, 1468460, 1477098, 1641220, 1793619, 1888020, 1992910, 2110140, 2202690, 2391492, 2461830, 2643228, 2790074, 2954196, 2989365, 3304035, 3587238, 3692745, 3985820, 4185111, 4405380, 4923660, 5580148, 5978730, 6608070, 6975185, 7174476, 7385490, 8370222, 8968095, 11957460, 12555333, 13216140, 13950370, 14770980, 16740444, 17936190, 20925555, 25110666, 27900740, 35872380, 41851110, 50221332, 62776665, 83702220, 125553330, 251106660]

約数ペア:

[(1, 251106660), (2, 125553330), (3, 83702220), (4, 62776665), (5, 50221332), (6, 41851110), (7, 35872380), (9, 27900740), (10, 25110666), (12, 20925555), (14, 17936190), (15, 16740444), (17, 14770980), (18, 13950370), (19, 13216140), (20, 12555333), (21, 11957460), (28, 8968095), (30, 8370222), (34, 7385490), (35, 7174476), (36, 6975185), (38, 6608070), (42, 5978730), (45, 5580148), (51, 4923660), (57, 4405380), (60, 4185111), (63, 3985820), (68, 3692745), (70, 3587238), (76, 3304035), (84, 2989365), (85, 2954196), (90, 2790074), (95, 2643228), (102, 2461830), (105, 2391492), (114, 2202690), (119, 2110140), (126, 1992910), (133, 1888020), (140, 1793619), (153, 1641220), (170, 1477098), (171, 1468460), (180, 1395037), (190, 1321614), (204, 1230915), (210, 1195746), (228, 1101345), (238, 1055070), (252, 996455), (255, 984732), (266, 944010), (285, 881076), (306, 820610), (315, 797164), (323, 777420), (340, 738549), (342, 734230), (357, 703380), (380, 660807), (399, 629340), (420, 597873), (476, 527535), (510, 492366), (532, 472005), (570, 440538), (595, 422028), (612, 410305), (617, 406980), (630, 398582), (646, 388710), (665, 377604), (684, 367115), (714, 351690), (765, 328244), (798, 314670), (855, 293692), (969, 259140), (1020, 246183), (1071, 234460), (1140, 220269), (1190, 211014), (1197, 209780), (1234, 203490), (1260, 199291), (1292, 194355), (1330, 188802), (1428, 175845), (1530, 164122), (1596, 157335), (1615, 155484), (1710, 146846), (1785, 140676), (1851, 135660), (1938, 129570), (1995, 125868), (2142, 117230), (2261, 111060), (2380, 105507), (2394, 104890), (2468, 101745), (2660, 94401), (2907, 86380), (3060, 82061), (3085, 81396), (3230, 77742), (3420, 73423), (3570, 70338), (3702, 67830), (3876, 64785), (3990, 62934), (4284, 58615), (4319, 58140), (4522, 55530), (4788, 52445), (4845, 51828), (5355, 46892), (5553, 45220), (5814, 43190), (5985, 41956), (6170, 40698), (6460, 38871), (6783, 37020), (7140, 35169), (7404, 33915), (7980, 31467), (8638, 29070), (9044, 27765), (9255, 27132), (9690, 25914), (10489, 23940), (10710, 23446), (11106, 22610), (11305, 22212), (11628, 21595), (11723, 21420), (11970, 20978), (12340, 20349), (12957, 19380), (13566, 18510), (14535, 17276)]