128137500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:119

約数の個数: 216

約数和(自身を含む): 435065904

約数和(自身を除く): 306928404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 67, 68, 75, 85, 90, 100, 102, 125, 134, 150, 153, 170, 180, 201, 204, 225, 250, 255, 268, 300, 306, 335, 340, 375, 402, 425, 450, 500, 510, 603, 612, 625, 670, 750, 765, 804, 850, 900, 1005, 1020, 1125, 1139, 1206, 1250, 1275, 1340, 1500, 1530, 1675, 1700, 1875, 2010, 2125, 2250, 2278, 2412, 2500, 2550, 3015, 3060, 3125, 3350, 3417, 3750, 3825, 4020, 4250, 4500, 4556, 5025, 5100, 5625, 5695, 6030, 6250, 6375, 6700, 6834, 7500, 7650, 8375, 8500, 9375, 10050, 10251, 10625, 11250, 11390, 12060, 12500, 12750, 13668, 15075, 15300, 16750, 17085, 18750, 19125, 20100, 20502, 21250, 22500, 22780, 25125, 25500, 28125, 28475, 30150, 31875, 33500, 34170, 37500, 38250, 41004, 41875, 42500, 50250, 51255, 53125, 56250, 56950, 60300, 63750, 68340, 75375, 76500, 83750, 85425, 95625, 100500, 102510, 106250, 112500, 113900, 125625, 127500, 142375, 150750, 159375, 167500, 170850, 191250, 205020, 209375, 212500, 251250, 256275, 284750, 301500, 318750, 341700, 376875, 382500, 418750, 427125, 478125, 502500, 512550, 569500, 628125, 637500, 711875, 753750, 837500, 854250, 956250, 1025100, 1256250, 1281375, 1423750, 1507500, 1708500, 1884375, 1912500, 2135625, 2512500, 2562750, 2847500, 3559375, 3768750, 4271250, 5125500, 6406875, 7118750, 7537500, 8542500, 10678125, 12813750, 14237500, 21356250, 25627500, 32034375, 42712500, 64068750, 128137500]

約数ペア:

[(1, 128137500), (2, 64068750), (3, 42712500), (4, 32034375), (5, 25627500), (6, 21356250), (9, 14237500), (10, 12813750), (12, 10678125), (15, 8542500), (17, 7537500), (18, 7118750), (20, 6406875), (25, 5125500), (30, 4271250), (34, 3768750), (36, 3559375), (45, 2847500), (50, 2562750), (51, 2512500), (60, 2135625), (67, 1912500), (68, 1884375), (75, 1708500), (85, 1507500), (90, 1423750), (100, 1281375), (102, 1256250), (125, 1025100), (134, 956250), (150, 854250), (153, 837500), (170, 753750), (180, 711875), (201, 637500), (204, 628125), (225, 569500), (250, 512550), (255, 502500), (268, 478125), (300, 427125), (306, 418750), (335, 382500), (340, 376875), (375, 341700), (402, 318750), (425, 301500), (450, 284750), (500, 256275), (510, 251250), (603, 212500), (612, 209375), (625, 205020), (670, 191250), (750, 170850), (765, 167500), (804, 159375), (850, 150750), (900, 142375), (1005, 127500), (1020, 125625), (1125, 113900), (1139, 112500), (1206, 106250), (1250, 102510), (1275, 100500), (1340, 95625), (1500, 85425), (1530, 83750), (1675, 76500), (1700, 75375), (1875, 68340), (2010, 63750), (2125, 60300), (2250, 56950), (2278, 56250), (2412, 53125), (2500, 51255), (2550, 50250), (3015, 42500), (3060, 41875), (3125, 41004), (3350, 38250), (3417, 37500), (3750, 34170), (3825, 33500), (4020, 31875), (4250, 30150), (4500, 28475), (4556, 28125), (5025, 25500), (5100, 25125), (5625, 22780), (5695, 22500), (6030, 21250), (6250, 20502), (6375, 20100), (6700, 19125), (6834, 18750), (7500, 17085), (7650, 16750), (8375, 15300), (8500, 15075), (9375, 13668), (10050, 12750), (10251, 12500), (10625, 12060), (11250, 11390)]