649353880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 256

約数和(自身を含む): 1866240000

約数和(自身を除く): 1216886120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 47, 49, 53, 56, 70, 76, 94, 95, 98, 106, 133, 140, 152, 188, 190, 196, 212, 235, 245, 265, 266, 280, 329, 343, 371, 376, 380, 392, 424, 470, 490, 530, 532, 658, 665, 686, 742, 760, 893, 931, 940, 980, 1007, 1060, 1064, 1316, 1330, 1372, 1484, 1645, 1715, 1786, 1855, 1862, 1880, 1960, 2014, 2120, 2303, 2491, 2597, 2632, 2660, 2744, 2968, 3290, 3430, 3572, 3710, 3724, 4028, 4465, 4606, 4655, 4982, 5035, 5194, 5320, 6251, 6517, 6580, 6860, 7049, 7144, 7420, 7448, 8056, 8930, 9212, 9310, 9964, 10070, 10388, 11515, 12455, 12502, 12985, 13034, 13160, 13720, 14098, 14840, 16121, 17437, 17860, 18179, 18424, 18620, 19928, 20140, 20776, 23030, 24910, 25004, 25970, 26068, 28196, 31255, 32242, 32585, 34874, 35245, 35720, 36358, 37240, 40280, 43757, 46060, 47329, 49343, 49820, 50008, 51940, 52136, 56392, 62510, 64484, 65170, 69748, 70490, 72716, 80605, 87185, 87514, 90895, 92120, 94658, 98686, 99640, 103880, 122059, 125020, 128968, 130340, 139496, 140980, 145432, 161210, 174370, 175028, 181790, 189316, 197372, 218785, 236645, 244118, 246715, 250040, 260680, 281960, 306299, 322420, 331303, 345401, 348740, 350056, 363580, 378632, 394744, 437570, 473290, 488236, 493430, 610295, 612598, 644840, 662606, 690802, 697480, 727160, 854413, 875140, 946580, 976472, 986860, 1220590, 1225196, 1325212, 1381604, 1531495, 1656515, 1708826, 1727005, 1750280, 1893160, 1973720, 2319121, 2441180, 2450392, 2650424, 2763208, 3062990, 3313030, 3417652, 3454010, 4272065, 4638242, 4882360, 6125980, 6626060, 6835304, 6908020, 8544130, 9276484, 11595605, 12251960, 13252120, 13816040, 16233847, 17088260, 18552968, 23191210, 32467694, 34176520, 46382420, 64935388, 81169235, 92764840, 129870776, 162338470, 324676940, 649353880]

約数ペア:

[(1, 649353880), (2, 324676940), (4, 162338470), (5, 129870776), (7, 92764840), (8, 81169235), (10, 64935388), (14, 46382420), (19, 34176520), (20, 32467694), (28, 23191210), (35, 18552968), (38, 17088260), (40, 16233847), (47, 13816040), (49, 13252120), (53, 12251960), (56, 11595605), (70, 9276484), (76, 8544130), (94, 6908020), (95, 6835304), (98, 6626060), (106, 6125980), (133, 4882360), (140, 4638242), (152, 4272065), (188, 3454010), (190, 3417652), (196, 3313030), (212, 3062990), (235, 2763208), (245, 2650424), (265, 2450392), (266, 2441180), (280, 2319121), (329, 1973720), (343, 1893160), (371, 1750280), (376, 1727005), (380, 1708826), (392, 1656515), (424, 1531495), (470, 1381604), (490, 1325212), (530, 1225196), (532, 1220590), (658, 986860), (665, 976472), (686, 946580), (742, 875140), (760, 854413), (893, 727160), (931, 697480), (940, 690802), (980, 662606), (1007, 644840), (1060, 612598), (1064, 610295), (1316, 493430), (1330, 488236), (1372, 473290), (1484, 437570), (1645, 394744), (1715, 378632), (1786, 363580), (1855, 350056), (1862, 348740), (1880, 345401), (1960, 331303), (2014, 322420), (2120, 306299), (2303, 281960), (2491, 260680), (2597, 250040), (2632, 246715), (2660, 244118), (2744, 236645), (2968, 218785), (3290, 197372), (3430, 189316), (3572, 181790), (3710, 175028), (3724, 174370), (4028, 161210), (4465, 145432), (4606, 140980), (4655, 139496), (4982, 130340), (5035, 128968), (5194, 125020), (5320, 122059), (6251, 103880), (6517, 99640), (6580, 98686), (6860, 94658), (7049, 92120), (7144, 90895), (7420, 87514), (7448, 87185), (8056, 80605), (8930, 72716), (9212, 70490), (9310, 69748), (9964, 65170), (10070, 64484), (10388, 62510), (11515, 56392), (12455, 52136), (12502, 51940), (12985, 50008), (13034, 49820), (13160, 49343), (13720, 47329), (14098, 46060), (14840, 43757), (16121, 40280), (17437, 37240), (17860, 36358), (18179, 35720), (18424, 35245), (18620, 34874), (19928, 32585), (20140, 32242), (20776, 31255), (23030, 28196), (24910, 26068), (25004, 25970)]