20475419160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{1259}}^1$

素因数の和:2318

約数の個数: 256

約数和(自身を含む): 74027520000

約数和(自身を除く): 53552100840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1019, 1064, 1140, 1259, 1330, 1596, 1995, 2038, 2280, 2518, 2660, 3057, 3192, 3777, 3990, 4076, 5036, 5095, 5320, 6114, 6295, 7133, 7554, 7980, 8152, 8813, 10072, 10190, 12228, 12590, 14266, 15108, 15285, 15960, 17626, 18885, 19361, 20380, 21399, 23921, 24456, 25180, 26439, 28532, 30216, 30570, 35252, 35665, 37770, 38722, 40760, 42798, 44065, 47842, 50360, 52878, 57064, 58083, 61140, 70504, 71330, 71763, 75540, 77444, 85596, 88130, 95684, 96805, 105756, 106995, 116166, 119605, 122280, 132195, 135527, 142660, 143526, 151080, 154888, 167447, 171192, 176260, 191368, 193610, 211512, 213990, 232332, 239210, 264390, 271054, 285320, 287052, 290415, 334894, 352520, 358815, 387220, 406581, 427980, 464664, 478420, 502341, 528780, 542108, 574104, 580830, 669788, 677635, 717630, 774440, 813162, 837235, 855960, 956840, 1004682, 1057560, 1084216, 1161660, 1282921, 1339576, 1355270, 1435260, 1626324, 1674470, 2009364, 2032905, 2323320, 2511705, 2565842, 2710540, 2870520, 3252648, 3348940, 3848763, 4018728, 4065810, 5023410, 5131684, 5421080, 6414605, 6697880, 7697526, 8131620, 8980447, 10046820, 10263368, 12829210, 15395052, 16263240, 17960894, 19243815, 20093640, 24375499, 25658420, 26941341, 30790104, 35921788, 38487630, 44902235, 48750998, 51316840, 53882682, 71843576, 73126497, 76975260, 89804470, 97501996, 107765364, 121877495, 134706705, 146252994, 153950520, 170628493, 179608940, 195003992, 215530728, 243754990, 269413410, 292505988, 341256986, 359217880, 365632485, 487509980, 511885479, 538826820, 585011976, 682513972, 731264970, 853142465, 975019960, 1023770958, 1077653640, 1365027944, 1462529940, 1706284930, 2047541916, 2559427395, 2925059880, 3412569860, 4095083832, 5118854790, 6825139720, 10237709580, 20475419160]

約数ペア:

[(1, 20475419160), (2, 10237709580), (3, 6825139720), (4, 5118854790), (5, 4095083832), (6, 3412569860), (7, 2925059880), (8, 2559427395), (10, 2047541916), (12, 1706284930), (14, 1462529940), (15, 1365027944), (19, 1077653640), (20, 1023770958), (21, 975019960), (24, 853142465), (28, 731264970), (30, 682513972), (35, 585011976), (38, 538826820), (40, 511885479), (42, 487509980), (56, 365632485), (57, 359217880), (60, 341256986), (70, 292505988), (76, 269413410), (84, 243754990), (95, 215530728), (105, 195003992), (114, 179608940), (120, 170628493), (133, 153950520), (140, 146252994), (152, 134706705), (168, 121877495), (190, 107765364), (210, 97501996), (228, 89804470), (266, 76975260), (280, 73126497), (285, 71843576), (380, 53882682), (399, 51316840), (420, 48750998), (456, 44902235), (532, 38487630), (570, 35921788), (665, 30790104), (760, 26941341), (798, 25658420), (840, 24375499), (1019, 20093640), (1064, 19243815), (1140, 17960894), (1259, 16263240), (1330, 15395052), (1596, 12829210), (1995, 10263368), (2038, 10046820), (2280, 8980447), (2518, 8131620), (2660, 7697526), (3057, 6697880), (3192, 6414605), (3777, 5421080), (3990, 5131684), (4076, 5023410), (5036, 4065810), (5095, 4018728), (5320, 3848763), (6114, 3348940), (6295, 3252648), (7133, 2870520), (7554, 2710540), (7980, 2565842), (8152, 2511705), (8813, 2323320), (10072, 2032905), (10190, 2009364), (12228, 1674470), (12590, 1626324), (14266, 1435260), (15108, 1355270), (15285, 1339576), (15960, 1282921), (17626, 1161660), (18885, 1084216), (19361, 1057560), (20380, 1004682), (21399, 956840), (23921, 855960), (24456, 837235), (25180, 813162), (26439, 774440), (28532, 717630), (30216, 677635), (30570, 669788), (35252, 580830), (35665, 574104), (37770, 542108), (38722, 528780), (40760, 502341), (42798, 478420), (44065, 464664), (47842, 427980), (50360, 406581), (52878, 387220), (57064, 358815), (58083, 352520), (61140, 334894), (70504, 290415), (71330, 287052), (71763, 285320), (75540, 271054), (77444, 264390), (85596, 239210), (88130, 232332), (95684, 213990), (96805, 211512), (105756, 193610), (106995, 191368), (116166, 176260), (119605, 171192), (122280, 167447), (132195, 154888), (135527, 151080), (142660, 143526)]