128367900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 216

約数和(自身を含む): 428972544

約数和(自身を除く): 300604644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 43, 45, 50, 60, 62, 75, 86, 90, 93, 100, 107, 124, 129, 150, 155, 172, 180, 186, 214, 215, 225, 258, 279, 300, 310, 321, 372, 387, 428, 430, 450, 465, 516, 535, 558, 620, 642, 645, 774, 775, 860, 900, 930, 963, 1070, 1075, 1116, 1284, 1290, 1333, 1395, 1548, 1550, 1605, 1860, 1926, 1935, 2140, 2150, 2325, 2580, 2666, 2675, 2790, 3100, 3210, 3225, 3317, 3852, 3870, 3999, 4300, 4601, 4650, 4815, 5332, 5350, 5580, 6420, 6450, 6634, 6665, 6975, 7740, 7998, 8025, 9202, 9300, 9630, 9675, 9951, 10700, 11997, 12900, 13268, 13330, 13803, 13950, 15996, 16050, 16585, 18404, 19260, 19350, 19902, 19995, 23005, 23994, 24075, 26660, 27606, 27900, 29853, 32100, 33170, 33325, 38700, 39804, 39990, 41409, 46010, 47988, 48150, 49755, 55212, 59706, 59985, 66340, 66650, 69015, 79980, 82818, 82925, 92020, 96300, 99510, 99975, 115025, 119412, 119970, 133300, 138030, 142631, 149265, 165636, 165850, 199020, 199950, 207045, 230050, 239940, 248775, 276060, 285262, 298530, 299925, 331700, 345075, 399900, 414090, 427893, 460100, 497550, 570524, 597060, 599850, 690150, 713155, 746325, 828180, 855786, 995100, 1035225, 1199700, 1283679, 1380300, 1426310, 1492650, 1711572, 2070450, 2139465, 2567358, 2852620, 2985300, 3565775, 4140900, 4278930, 5134716, 6418395, 7131550, 8557860, 10697325, 12836790, 14263100, 21394650, 25673580, 32091975, 42789300, 64183950, 128367900]

約数ペア:

[(1, 128367900), (2, 64183950), (3, 42789300), (4, 32091975), (5, 25673580), (6, 21394650), (9, 14263100), (10, 12836790), (12, 10697325), (15, 8557860), (18, 7131550), (20, 6418395), (25, 5134716), (30, 4278930), (31, 4140900), (36, 3565775), (43, 2985300), (45, 2852620), (50, 2567358), (60, 2139465), (62, 2070450), (75, 1711572), (86, 1492650), (90, 1426310), (93, 1380300), (100, 1283679), (107, 1199700), (124, 1035225), (129, 995100), (150, 855786), (155, 828180), (172, 746325), (180, 713155), (186, 690150), (214, 599850), (215, 597060), (225, 570524), (258, 497550), (279, 460100), (300, 427893), (310, 414090), (321, 399900), (372, 345075), (387, 331700), (428, 299925), (430, 298530), (450, 285262), (465, 276060), (516, 248775), (535, 239940), (558, 230050), (620, 207045), (642, 199950), (645, 199020), (774, 165850), (775, 165636), (860, 149265), (900, 142631), (930, 138030), (963, 133300), (1070, 119970), (1075, 119412), (1116, 115025), (1284, 99975), (1290, 99510), (1333, 96300), (1395, 92020), (1548, 82925), (1550, 82818), (1605, 79980), (1860, 69015), (1926, 66650), (1935, 66340), (2140, 59985), (2150, 59706), (2325, 55212), (2580, 49755), (2666, 48150), (2675, 47988), (2790, 46010), (3100, 41409), (3210, 39990), (3225, 39804), (3317, 38700), (3852, 33325), (3870, 33170), (3999, 32100), (4300, 29853), (4601, 27900), (4650, 27606), (4815, 26660), (5332, 24075), (5350, 23994), (5580, 23005), (6420, 19995), (6450, 19902), (6634, 19350), (6665, 19260), (6975, 18404), (7740, 16585), (7998, 16050), (8025, 15996), (9202, 13950), (9300, 13803), (9630, 13330), (9675, 13268), (9951, 12900), (10700, 11997)]