180885000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 160

約数和(自身を含む): 584812800

約数和(自身を除く): 403927800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 31, 40, 50, 60, 62, 75, 93, 100, 120, 124, 125, 150, 155, 186, 200, 248, 250, 300, 310, 372, 375, 389, 465, 500, 600, 620, 625, 744, 750, 775, 778, 930, 1000, 1167, 1240, 1250, 1500, 1550, 1556, 1860, 1875, 1945, 2325, 2334, 2500, 3000, 3100, 3112, 3720, 3750, 3875, 3890, 4650, 4668, 5000, 5835, 6200, 7500, 7750, 7780, 9300, 9336, 9725, 11625, 11670, 12059, 15000, 15500, 15560, 18600, 19375, 19450, 23250, 23340, 24118, 29175, 31000, 36177, 38750, 38900, 46500, 46680, 48236, 48625, 58125, 58350, 60295, 72354, 77500, 77800, 93000, 96472, 97250, 116250, 116700, 120590, 144708, 145875, 155000, 180885, 194500, 232500, 233400, 241180, 243125, 289416, 291750, 301475, 361770, 389000, 465000, 482360, 486250, 583500, 602950, 723540, 729375, 904425, 972500, 1167000, 1205900, 1447080, 1458750, 1507375, 1808850, 1945000, 2411800, 2917500, 3014750, 3617700, 4522125, 5835000, 6029500, 7235400, 7536875, 9044250, 12059000, 15073750, 18088500, 22610625, 30147500, 36177000, 45221250, 60295000, 90442500, 180885000]

約数ペア:

[(1, 180885000), (2, 90442500), (3, 60295000), (4, 45221250), (5, 36177000), (6, 30147500), (8, 22610625), (10, 18088500), (12, 15073750), (15, 12059000), (20, 9044250), (24, 7536875), (25, 7235400), (30, 6029500), (31, 5835000), (40, 4522125), (50, 3617700), (60, 3014750), (62, 2917500), (75, 2411800), (93, 1945000), (100, 1808850), (120, 1507375), (124, 1458750), (125, 1447080), (150, 1205900), (155, 1167000), (186, 972500), (200, 904425), (248, 729375), (250, 723540), (300, 602950), (310, 583500), (372, 486250), (375, 482360), (389, 465000), (465, 389000), (500, 361770), (600, 301475), (620, 291750), (625, 289416), (744, 243125), (750, 241180), (775, 233400), (778, 232500), (930, 194500), (1000, 180885), (1167, 155000), (1240, 145875), (1250, 144708), (1500, 120590), (1550, 116700), (1556, 116250), (1860, 97250), (1875, 96472), (1945, 93000), (2325, 77800), (2334, 77500), (2500, 72354), (3000, 60295), (3100, 58350), (3112, 58125), (3720, 48625), (3750, 48236), (3875, 46680), (3890, 46500), (4650, 38900), (4668, 38750), (5000, 36177), (5835, 31000), (6200, 29175), (7500, 24118), (7750, 23340), (7780, 23250), (9300, 19450), (9336, 19375), (9725, 18600), (11625, 15560), (11670, 15500), (12059, 15000)]