1999764480

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{2657}}^1$

素因数の和:2699

約数の個数: 264

約数和(自身を含む): 7443186768

約数和(自身を除く): 5443422288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1024, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2560, 2657, 2688, 2940, 3072, 3136, 3360, 3584, 3840, 3920, 4480, 4704, 5120, 5314, 5376, 5880, 6272, 6720, 7168, 7680, 7840, 7971, 8960, 9408, 10628, 10752, 11760, 12544, 13285, 13440, 15360, 15680, 15942, 17920, 18599, 18816, 21256, 21504, 23520, 25088, 26570, 26880, 31360, 31884, 35840, 37198, 37632, 39855, 42512, 47040, 50176, 53140, 53760, 55797, 62720, 63768, 74396, 75264, 79710, 85024, 92995, 94080, 106280, 107520, 111594, 125440, 127536, 130193, 148792, 150528, 159420, 170048, 185990, 188160, 212560, 223188, 250880, 255072, 260386, 278985, 297584, 318840, 340096, 371980, 376320, 390579, 425120, 446376, 510144, 520772, 557970, 595168, 637680, 650965, 680192, 743960, 752640, 781158, 850240, 892752, 1020288, 1041544, 1115940, 1190336, 1275360, 1301930, 1360384, 1487920, 1562316, 1700480, 1785504, 1952895, 2040576, 2083088, 2231880, 2380672, 2550720, 2603860, 2720768, 2975840, 3124632, 3400960, 3571008, 3905790, 4081152, 4166176, 4463760, 4761344, 5101440, 5207720, 5951680, 6249264, 6801920, 7142016, 7811580, 8162304, 8332352, 8927520, 9522688, 10202880, 10415440, 11903360, 12498528, 13603840, 14284032, 15623160, 16664704, 17855040, 19045376, 20405760, 20830880, 23806720, 24997056, 28568064, 31246320, 33329408, 35710080, 40811520, 41661760, 47613440, 49994112, 57136128, 62492640, 66658816, 71420160, 83323520, 95226880, 99988224, 124985280, 133317632, 142840320, 166647040, 199976448, 249970560, 285680640, 333294080, 399952896, 499941120, 666588160, 999882240, 1999764480]

約数ペア:

[(1, 1999764480), (2, 999882240), (3, 666588160), (4, 499941120), (5, 399952896), (6, 333294080), (7, 285680640), (8, 249970560), (10, 199976448), (12, 166647040), (14, 142840320), (15, 133317632), (16, 124985280), (20, 99988224), (21, 95226880), (24, 83323520), (28, 71420160), (30, 66658816), (32, 62492640), (35, 57136128), (40, 49994112), (42, 47613440), (48, 41661760), (49, 40811520), (56, 35710080), (60, 33329408), (64, 31246320), (70, 28568064), (80, 24997056), (84, 23806720), (96, 20830880), (98, 20405760), (105, 19045376), (112, 17855040), (120, 16664704), (128, 15623160), (140, 14284032), (147, 13603840), (160, 12498528), (168, 11903360), (192, 10415440), (196, 10202880), (210, 9522688), (224, 8927520), (240, 8332352), (245, 8162304), (256, 7811580), (280, 7142016), (294, 6801920), (320, 6249264), (336, 5951680), (384, 5207720), (392, 5101440), (420, 4761344), (448, 4463760), (480, 4166176), (490, 4081152), (512, 3905790), (560, 3571008), (588, 3400960), (640, 3124632), (672, 2975840), (735, 2720768), (768, 2603860), (784, 2550720), (840, 2380672), (896, 2231880), (960, 2083088), (980, 2040576), (1024, 1952895), (1120, 1785504), (1176, 1700480), (1280, 1562316), (1344, 1487920), (1470, 1360384), (1536, 1301930), (1568, 1275360), (1680, 1190336), (1792, 1115940), (1920, 1041544), (1960, 1020288), (2240, 892752), (2352, 850240), (2560, 781158), (2657, 752640), (2688, 743960), (2940, 680192), (3072, 650965), (3136, 637680), (3360, 595168), (3584, 557970), (3840, 520772), (3920, 510144), (4480, 446376), (4704, 425120), (5120, 390579), (5314, 376320), (5376, 371980), (5880, 340096), (6272, 318840), (6720, 297584), (7168, 278985), (7680, 260386), (7840, 255072), (7971, 250880), (8960, 223188), (9408, 212560), (10628, 188160), (10752, 185990), (11760, 170048), (12544, 159420), (13285, 150528), (13440, 148792), (15360, 130193), (15680, 127536), (15942, 125440), (17920, 111594), (18599, 107520), (18816, 106280), (21256, 94080), (21504, 92995), (23520, 85024), (25088, 79710), (26570, 75264), (26880, 74396), (31360, 63768), (31884, 62720), (35840, 55797), (37198, 53760), (37632, 53140), (39855, 50176), (42512, 47040)]