15157045760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 240

約数和(自身を含む): 38544995016

約数和(自身を除く): 23387949256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 101, 122, 124, 128, 155, 160, 202, 244, 248, 256, 305, 310, 320, 404, 488, 496, 505, 512, 610, 620, 640, 808, 961, 976, 992, 1010, 1220, 1240, 1280, 1616, 1891, 1922, 1952, 1984, 2020, 2440, 2480, 2560, 3131, 3232, 3782, 3844, 3904, 3968, 4040, 4805, 4880, 4960, 6161, 6262, 6464, 7564, 7688, 7808, 7936, 8080, 9455, 9610, 9760, 9920, 12322, 12524, 12928, 15128, 15376, 15616, 15655, 15872, 16160, 18910, 19220, 19520, 19840, 24644, 25048, 25856, 30256, 30752, 30805, 31232, 31310, 32320, 37820, 38440, 39040, 39680, 49288, 50096, 51712, 58621, 60512, 61504, 61610, 62620, 64640, 75640, 76880, 78080, 79360, 97061, 98576, 100192, 117242, 121024, 123008, 123220, 125240, 129280, 151280, 153760, 156160, 190991, 194122, 197152, 200384, 234484, 242048, 246016, 246440, 250480, 258560, 293105, 302560, 307520, 381982, 388244, 394304, 400768, 468968, 484096, 485305, 492032, 492880, 500960, 586210, 605120, 615040, 763964, 776488, 788608, 801536, 937936, 954955, 968192, 970610, 985760, 1001920, 1172420, 1210240, 1230080, 1527928, 1552976, 1577216, 1603072, 1875872, 1909910, 1941220, 1971520, 2003840, 2344840, 2420480, 2460160, 3055856, 3105952, 3154432, 3751744, 3819820, 3882440, 3943040, 4007680, 4689680, 4840960, 5920721, 6111712, 6211904, 7503488, 7639640, 7764880, 7886080, 8015360, 9379360, 11841442, 12223424, 12423808, 15006976, 15279280, 15529760, 15772160, 18758720, 23682884, 24446848, 24847616, 29603605, 30013952, 30558560, 31059520, 37517440, 47365768, 48893696, 49695232, 59207210, 61117120, 62119040, 75034880, 94731536, 97787392, 118414420, 122234240, 124238080, 150069760, 189463072, 236828840, 244468480, 248476160, 378926144, 473657680, 488936960, 757852288, 947315360, 1515704576, 1894630720, 3031409152, 3789261440, 7578522880, 15157045760]

約数ペア:

[(1, 15157045760), (2, 7578522880), (4, 3789261440), (5, 3031409152), (8, 1894630720), (10, 1515704576), (16, 947315360), (20, 757852288), (31, 488936960), (32, 473657680), (40, 378926144), (61, 248476160), (62, 244468480), (64, 236828840), (80, 189463072), (101, 150069760), (122, 124238080), (124, 122234240), (128, 118414420), (155, 97787392), (160, 94731536), (202, 75034880), (244, 62119040), (248, 61117120), (256, 59207210), (305, 49695232), (310, 48893696), (320, 47365768), (404, 37517440), (488, 31059520), (496, 30558560), (505, 30013952), (512, 29603605), (610, 24847616), (620, 24446848), (640, 23682884), (808, 18758720), (961, 15772160), (976, 15529760), (992, 15279280), (1010, 15006976), (1220, 12423808), (1240, 12223424), (1280, 11841442), (1616, 9379360), (1891, 8015360), (1922, 7886080), (1952, 7764880), (1984, 7639640), (2020, 7503488), (2440, 6211904), (2480, 6111712), (2560, 5920721), (3131, 4840960), (3232, 4689680), (3782, 4007680), (3844, 3943040), (3904, 3882440), (3968, 3819820), (4040, 3751744), (4805, 3154432), (4880, 3105952), (4960, 3055856), (6161, 2460160), (6262, 2420480), (6464, 2344840), (7564, 2003840), (7688, 1971520), (7808, 1941220), (7936, 1909910), (8080, 1875872), (9455, 1603072), (9610, 1577216), (9760, 1552976), (9920, 1527928), (12322, 1230080), (12524, 1210240), (12928, 1172420), (15128, 1001920), (15376, 985760), (15616, 970610), (15655, 968192), (15872, 954955), (16160, 937936), (18910, 801536), (19220, 788608), (19520, 776488), (19840, 763964), (24644, 615040), (25048, 605120), (25856, 586210), (30256, 500960), (30752, 492880), (30805, 492032), (31232, 485305), (31310, 484096), (32320, 468968), (37820, 400768), (38440, 394304), (39040, 388244), (39680, 381982), (49288, 307520), (50096, 302560), (51712, 293105), (58621, 258560), (60512, 250480), (61504, 246440), (61610, 246016), (62620, 242048), (64640, 234484), (75640, 200384), (76880, 197152), (78080, 194122), (79360, 190991), (97061, 156160), (98576, 153760), (100192, 151280), (117242, 129280), (121024, 125240), (123008, 123220)]