181720140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:888

約数の個数: 192

約数和(自身を含む): 636346368

約数和(自身を除く): 454626228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 31, 34, 35, 42, 51, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 124, 140, 155, 170, 186, 204, 210, 217, 238, 255, 310, 340, 357, 372, 420, 434, 465, 476, 510, 527, 595, 620, 651, 714, 821, 868, 930, 1020, 1054, 1085, 1190, 1302, 1428, 1581, 1642, 1785, 1860, 2108, 2170, 2380, 2463, 2604, 2635, 3162, 3255, 3284, 3570, 3689, 4105, 4340, 4926, 5270, 5747, 6324, 6510, 7140, 7378, 7905, 8210, 9852, 10540, 11067, 11494, 12315, 13020, 13957, 14756, 15810, 16420, 17241, 18445, 22134, 22988, 24630, 25451, 27914, 28735, 31620, 34482, 36890, 41871, 44268, 49260, 50902, 55335, 55828, 57470, 68964, 69785, 73780, 76353, 83742, 86205, 97699, 101804, 110670, 114940, 127255, 139570, 152706, 167484, 172410, 178157, 195398, 209355, 221340, 254510, 279140, 293097, 305412, 344820, 356314, 381765, 390796, 418710, 432667, 488495, 509020, 534471, 586194, 712628, 763530, 837420, 865334, 890785, 976990, 1068942, 1172388, 1298001, 1465485, 1527060, 1730668, 1781570, 1953980, 2137884, 2163335, 2596002, 2672355, 2930970, 3028669, 3563140, 4326670, 5192004, 5344710, 5861940, 6057338, 6490005, 8653340, 9086007, 10689420, 12114676, 12980010, 15143345, 18172014, 25960020, 30286690, 36344028, 45430035, 60573380, 90860070, 181720140]

約数ペア:

[(1, 181720140), (2, 90860070), (3, 60573380), (4, 45430035), (5, 36344028), (6, 30286690), (7, 25960020), (10, 18172014), (12, 15143345), (14, 12980010), (15, 12114676), (17, 10689420), (20, 9086007), (21, 8653340), (28, 6490005), (30, 6057338), (31, 5861940), (34, 5344710), (35, 5192004), (42, 4326670), (51, 3563140), (60, 3028669), (62, 2930970), (68, 2672355), (70, 2596002), (84, 2163335), (85, 2137884), (93, 1953980), (102, 1781570), (105, 1730668), (119, 1527060), (124, 1465485), (140, 1298001), (155, 1172388), (170, 1068942), (186, 976990), (204, 890785), (210, 865334), (217, 837420), (238, 763530), (255, 712628), (310, 586194), (340, 534471), (357, 509020), (372, 488495), (420, 432667), (434, 418710), (465, 390796), (476, 381765), (510, 356314), (527, 344820), (595, 305412), (620, 293097), (651, 279140), (714, 254510), (821, 221340), (868, 209355), (930, 195398), (1020, 178157), (1054, 172410), (1085, 167484), (1190, 152706), (1302, 139570), (1428, 127255), (1581, 114940), (1642, 110670), (1785, 101804), (1860, 97699), (2108, 86205), (2170, 83742), (2380, 76353), (2463, 73780), (2604, 69785), (2635, 68964), (3162, 57470), (3255, 55828), (3284, 55335), (3570, 50902), (3689, 49260), (4105, 44268), (4340, 41871), (4926, 36890), (5270, 34482), (5747, 31620), (6324, 28735), (6510, 27914), (7140, 25451), (7378, 24630), (7905, 22988), (8210, 22134), (9852, 18445), (10540, 17241), (11067, 16420), (11494, 15810), (12315, 14756), (13020, 13957)]