1209000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 128

約数和(自身を含む): 4193280

約数和(自身を除く): 2984280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 31, 39, 40, 50, 52, 60, 62, 65, 75, 78, 93, 100, 104, 120, 124, 125, 130, 150, 155, 156, 186, 195, 200, 248, 250, 260, 300, 310, 312, 325, 372, 375, 390, 403, 465, 500, 520, 600, 620, 650, 744, 750, 775, 780, 806, 930, 975, 1000, 1209, 1240, 1300, 1500, 1550, 1560, 1612, 1625, 1860, 1950, 2015, 2325, 2418, 2600, 3000, 3100, 3224, 3250, 3720, 3875, 3900, 4030, 4650, 4836, 4875, 6045, 6200, 6500, 7750, 7800, 8060, 9300, 9672, 9750, 10075, 11625, 12090, 13000, 15500, 16120, 18600, 19500, 20150, 23250, 24180, 30225, 31000, 39000, 40300, 46500, 48360, 50375, 60450, 80600, 93000, 100750, 120900, 151125, 201500, 241800, 302250, 403000, 604500, 1209000]

約数ペア:

[(1, 1209000), (2, 604500), (3, 403000), (4, 302250), (5, 241800), (6, 201500), (8, 151125), (10, 120900), (12, 100750), (13, 93000), (15, 80600), (20, 60450), (24, 50375), (25, 48360), (26, 46500), (30, 40300), (31, 39000), (39, 31000), (40, 30225), (50, 24180), (52, 23250), (60, 20150), (62, 19500), (65, 18600), (75, 16120), (78, 15500), (93, 13000), (100, 12090), (104, 11625), (120, 10075), (124, 9750), (125, 9672), (130, 9300), (150, 8060), (155, 7800), (156, 7750), (186, 6500), (195, 6200), (200, 6045), (248, 4875), (250, 4836), (260, 4650), (300, 4030), (310, 3900), (312, 3875), (325, 3720), (372, 3250), (375, 3224), (390, 3100), (403, 3000), (465, 2600), (500, 2418), (520, 2325), (600, 2015), (620, 1950), (650, 1860), (744, 1625), (750, 1612), (775, 1560), (780, 1550), (806, 1500), (930, 1300), (975, 1240), (1000, 1209)]