1280902950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 3687383040

約数和(自身を除く): 2406480090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 90, 93, 127, 135, 150, 155, 186, 225, 241, 254, 270, 279, 310, 381, 450, 465, 482, 558, 635, 675, 723, 762, 775, 837, 930, 1143, 1205, 1270, 1350, 1395, 1446, 1550, 1674, 1905, 2169, 2286, 2325, 2410, 2790, 3175, 3429, 3615, 3810, 3937, 4185, 4338, 4650, 5715, 6025, 6350, 6507, 6858, 6975, 7230, 7471, 7874, 8370, 9525, 10845, 11430, 11811, 12050, 13014, 13950, 14942, 17145, 18075, 19050, 19685, 20925, 21690, 22413, 23622, 28575, 30607, 32535, 34290, 35433, 36150, 37355, 39370, 41850, 44826, 54225, 57150, 59055, 61214, 65070, 67239, 70866, 74710, 85725, 91821, 98425, 106299, 108450, 112065, 118110, 134478, 153035, 162675, 171450, 177165, 183642, 186775, 196850, 201717, 212598, 224130, 275463, 295275, 306070, 325350, 336195, 354330, 373550, 403434, 459105, 531495, 550926, 560325, 590550, 672390, 765175, 826389, 885825, 918210, 948817, 1008585, 1062990, 1120650, 1377315, 1530350, 1652778, 1680975, 1771650, 1897634, 2017170, 2295525, 2657475, 2754630, 2846451, 3361950, 4131945, 4591050, 4744085, 5042925, 5314950, 5692902, 6886575, 8263890, 8539353, 9488170, 10085850, 13773150, 14232255, 17078706, 20659725, 23720425, 25618059, 28464510, 41319450, 42696765, 47440850, 51236118, 71161275, 85393530, 128090295, 142322550, 213483825, 256180590, 426967650, 640451475, 1280902950]

約数ペア:

[(1, 1280902950), (2, 640451475), (3, 426967650), (5, 256180590), (6, 213483825), (9, 142322550), (10, 128090295), (15, 85393530), (18, 71161275), (25, 51236118), (27, 47440850), (30, 42696765), (31, 41319450), (45, 28464510), (50, 25618059), (54, 23720425), (62, 20659725), (75, 17078706), (90, 14232255), (93, 13773150), (127, 10085850), (135, 9488170), (150, 8539353), (155, 8263890), (186, 6886575), (225, 5692902), (241, 5314950), (254, 5042925), (270, 4744085), (279, 4591050), (310, 4131945), (381, 3361950), (450, 2846451), (465, 2754630), (482, 2657475), (558, 2295525), (635, 2017170), (675, 1897634), (723, 1771650), (762, 1680975), (775, 1652778), (837, 1530350), (930, 1377315), (1143, 1120650), (1205, 1062990), (1270, 1008585), (1350, 948817), (1395, 918210), (1446, 885825), (1550, 826389), (1674, 765175), (1905, 672390), (2169, 590550), (2286, 560325), (2325, 550926), (2410, 531495), (2790, 459105), (3175, 403434), (3429, 373550), (3615, 354330), (3810, 336195), (3937, 325350), (4185, 306070), (4338, 295275), (4650, 275463), (5715, 224130), (6025, 212598), (6350, 201717), (6507, 196850), (6858, 186775), (6975, 183642), (7230, 177165), (7471, 171450), (7874, 162675), (8370, 153035), (9525, 134478), (10845, 118110), (11430, 112065), (11811, 108450), (12050, 106299), (13014, 98425), (13950, 91821), (14942, 85725), (17145, 74710), (18075, 70866), (19050, 67239), (19685, 65070), (20925, 61214), (21690, 59055), (22413, 57150), (23622, 54225), (28575, 44826), (30607, 41850), (32535, 39370), (34290, 37355), (35433, 36150)]