28617120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:212

約数の個数: 288

約数和(自身を含む): 118879488

約数和(自身を除く): 90262368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 167, 168, 170, 180, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 334, 336, 340, 357, 360, 408, 420, 476, 480, 501, 504, 510, 544, 560, 595, 612, 630, 668, 672, 680, 714, 720, 765, 816, 835, 840, 952, 1002, 1008, 1020, 1071, 1120, 1169, 1190, 1224, 1260, 1336, 1360, 1428, 1440, 1503, 1530, 1632, 1670, 1680, 1785, 1904, 2004, 2016, 2040, 2142, 2338, 2380, 2448, 2505, 2520, 2672, 2720, 2839, 2856, 3006, 3060, 3340, 3360, 3507, 3570, 3808, 4008, 4080, 4284, 4676, 4760, 4896, 5010, 5040, 5344, 5355, 5678, 5712, 5845, 6012, 6120, 6680, 7014, 7140, 7515, 8016, 8160, 8517, 8568, 9352, 9520, 10020, 10080, 10521, 10710, 11356, 11424, 11690, 12024, 12240, 13360, 14028, 14195, 14280, 15030, 16032, 17034, 17136, 17535, 18704, 19040, 19873, 20040, 21042, 21420, 22712, 23380, 24048, 24480, 25551, 26720, 28056, 28390, 28560, 30060, 34068, 34272, 35070, 37408, 39746, 40080, 42084, 42585, 42840, 45424, 46760, 48096, 51102, 52605, 56112, 56780, 57120, 59619, 60120, 68136, 70140, 79492, 80160, 84168, 85170, 85680, 90848, 93520, 99365, 102204, 105210, 112224, 113560, 119238, 120240, 127755, 136272, 140280, 158984, 168336, 170340, 171360, 178857, 187040, 198730, 204408, 210420, 227120, 238476, 240480, 255510, 272544, 280560, 298095, 317968, 336672, 340680, 357714, 397460, 408816, 420840, 454240, 476952, 511020, 561120, 596190, 635936, 681360, 715428, 794920, 817632, 841680, 894285, 953904, 1022040, 1192380, 1362720, 1430856, 1589840, 1683360, 1788570, 1907808, 2044080, 2384760, 2861712, 3179680, 3577140, 4088160, 4769520, 5723424, 7154280, 9539040, 14308560, 28617120]

約数ペア:

[(1, 28617120), (2, 14308560), (3, 9539040), (4, 7154280), (5, 5723424), (6, 4769520), (7, 4088160), (8, 3577140), (9, 3179680), (10, 2861712), (12, 2384760), (14, 2044080), (15, 1907808), (16, 1788570), (17, 1683360), (18, 1589840), (20, 1430856), (21, 1362720), (24, 1192380), (28, 1022040), (30, 953904), (32, 894285), (34, 841680), (35, 817632), (36, 794920), (40, 715428), (42, 681360), (45, 635936), (48, 596190), (51, 561120), (56, 511020), (60, 476952), (63, 454240), (68, 420840), (70, 408816), (72, 397460), (80, 357714), (84, 340680), (85, 336672), (90, 317968), (96, 298095), (102, 280560), (105, 272544), (112, 255510), (119, 240480), (120, 238476), (126, 227120), (136, 210420), (140, 204408), (144, 198730), (153, 187040), (160, 178857), (167, 171360), (168, 170340), (170, 168336), (180, 158984), (204, 140280), (210, 136272), (224, 127755), (238, 120240), (240, 119238), (252, 113560), (255, 112224), (272, 105210), (280, 102204), (288, 99365), (306, 93520), (315, 90848), (334, 85680), (336, 85170), (340, 84168), (357, 80160), (360, 79492), (408, 70140), (420, 68136), (476, 60120), (480, 59619), (501, 57120), (504, 56780), (510, 56112), (544, 52605), (560, 51102), (595, 48096), (612, 46760), (630, 45424), (668, 42840), (672, 42585), (680, 42084), (714, 40080), (720, 39746), (765, 37408), (816, 35070), (835, 34272), (840, 34068), (952, 30060), (1002, 28560), (1008, 28390), (1020, 28056), (1071, 26720), (1120, 25551), (1169, 24480), (1190, 24048), (1224, 23380), (1260, 22712), (1336, 21420), (1360, 21042), (1428, 20040), (1440, 19873), (1503, 19040), (1530, 18704), (1632, 17535), (1670, 17136), (1680, 17034), (1785, 16032), (1904, 15030), (2004, 14280), (2016, 14195), (2040, 14028), (2142, 13360), (2338, 12240), (2380, 12024), (2448, 11690), (2505, 11424), (2520, 11356), (2672, 10710), (2720, 10521), (2839, 10080), (2856, 10020), (3006, 9520), (3060, 9352), (3340, 8568), (3360, 8517), (3507, 8160), (3570, 8016), (3808, 7515), (4008, 7140), (4080, 7014), (4284, 6680), (4676, 6120), (4760, 6012), (4896, 5845), (5010, 5712), (5040, 5678), (5344, 5355)]