1279089760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 192

約数和(自身を含む): 3413975040

約数和(自身を除く): 2134885280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 83, 104, 124, 130, 155, 160, 166, 208, 239, 248, 260, 310, 332, 403, 415, 416, 478, 496, 520, 620, 664, 806, 830, 956, 992, 1040, 1079, 1195, 1240, 1328, 1612, 1660, 1912, 2015, 2080, 2158, 2390, 2480, 2573, 2656, 3107, 3224, 3320, 3824, 4030, 4316, 4780, 4960, 5146, 5395, 6214, 6448, 6640, 7409, 7648, 8060, 8632, 9560, 10292, 10790, 12428, 12865, 12896, 13280, 14818, 15535, 16120, 17264, 19120, 19837, 20584, 21580, 24856, 25730, 29636, 31070, 32240, 33449, 34528, 37045, 38240, 39674, 41168, 43160, 49712, 51460, 59272, 62140, 64480, 66898, 74090, 79348, 82336, 86320, 96317, 99185, 99424, 102920, 118544, 124280, 133796, 148180, 158696, 167245, 172640, 192634, 198370, 205840, 237088, 248560, 257881, 267592, 296360, 317392, 334490, 385268, 396740, 411680, 481585, 497120, 515762, 535184, 592720, 614947, 634784, 668980, 770536, 793480, 963170, 1031524, 1070368, 1185440, 1229894, 1289405, 1337960, 1541072, 1586960, 1926340, 2063048, 2459788, 2578810, 2675920, 3074735, 3082144, 3173920, 3852680, 4126096, 4919576, 5157620, 5351840, 6149470, 7705360, 7994311, 8252192, 9839152, 10315240, 12298940, 15410720, 15988622, 19678304, 20630480, 24597880, 31977244, 39971555, 41260960, 49195760, 63954488, 79943110, 98391520, 127908976, 159886220, 255817952, 319772440, 639544880, 1279089760]

約数ペア:

[(1, 1279089760), (2, 639544880), (4, 319772440), (5, 255817952), (8, 159886220), (10, 127908976), (13, 98391520), (16, 79943110), (20, 63954488), (26, 49195760), (31, 41260960), (32, 39971555), (40, 31977244), (52, 24597880), (62, 20630480), (65, 19678304), (80, 15988622), (83, 15410720), (104, 12298940), (124, 10315240), (130, 9839152), (155, 8252192), (160, 7994311), (166, 7705360), (208, 6149470), (239, 5351840), (248, 5157620), (260, 4919576), (310, 4126096), (332, 3852680), (403, 3173920), (415, 3082144), (416, 3074735), (478, 2675920), (496, 2578810), (520, 2459788), (620, 2063048), (664, 1926340), (806, 1586960), (830, 1541072), (956, 1337960), (992, 1289405), (1040, 1229894), (1079, 1185440), (1195, 1070368), (1240, 1031524), (1328, 963170), (1612, 793480), (1660, 770536), (1912, 668980), (2015, 634784), (2080, 614947), (2158, 592720), (2390, 535184), (2480, 515762), (2573, 497120), (2656, 481585), (3107, 411680), (3224, 396740), (3320, 385268), (3824, 334490), (4030, 317392), (4316, 296360), (4780, 267592), (4960, 257881), (5146, 248560), (5395, 237088), (6214, 205840), (6448, 198370), (6640, 192634), (7409, 172640), (7648, 167245), (8060, 158696), (8632, 148180), (9560, 133796), (10292, 124280), (10790, 118544), (12428, 102920), (12865, 99424), (12896, 99185), (13280, 96317), (14818, 86320), (15535, 82336), (16120, 79348), (17264, 74090), (19120, 66898), (19837, 64480), (20584, 62140), (21580, 59272), (24856, 51460), (25730, 49712), (29636, 43160), (31070, 41168), (32240, 39674), (33449, 38240), (34528, 37045)]