123438900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1082

約数の個数: 144

約数和(自身を含む): 397419008

約数和(自身を除く): 273980108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 775, 780, 806, 930, 975, 1021, 1209, 1300, 1550, 1612, 1860, 1950, 2015, 2042, 2325, 2418, 3063, 3100, 3900, 4030, 4084, 4650, 4836, 5105, 6045, 6126, 8060, 9300, 10075, 10210, 12090, 12252, 13273, 15315, 20150, 20420, 24180, 25525, 26546, 30225, 30630, 31651, 39819, 40300, 51050, 53092, 60450, 61260, 63302, 66365, 76575, 79638, 94953, 102100, 120900, 126604, 132730, 153150, 158255, 159276, 189906, 199095, 265460, 306300, 316510, 331825, 379812, 398190, 411463, 474765, 633020, 663650, 791275, 796380, 822926, 949530, 995475, 1234389, 1327300, 1582550, 1645852, 1899060, 1990950, 2057315, 2373825, 2468778, 3165100, 3981900, 4114630, 4747650, 4937556, 6171945, 8229260, 9495300, 10286575, 12343890, 20573150, 24687780, 30859725, 41146300, 61719450, 123438900]

約数ペア:

[(1, 123438900), (2, 61719450), (3, 41146300), (4, 30859725), (5, 24687780), (6, 20573150), (10, 12343890), (12, 10286575), (13, 9495300), (15, 8229260), (20, 6171945), (25, 4937556), (26, 4747650), (30, 4114630), (31, 3981900), (39, 3165100), (50, 2468778), (52, 2373825), (60, 2057315), (62, 1990950), (65, 1899060), (75, 1645852), (78, 1582550), (93, 1327300), (100, 1234389), (124, 995475), (130, 949530), (150, 822926), (155, 796380), (156, 791275), (186, 663650), (195, 633020), (260, 474765), (300, 411463), (310, 398190), (325, 379812), (372, 331825), (390, 316510), (403, 306300), (465, 265460), (620, 199095), (650, 189906), (775, 159276), (780, 158255), (806, 153150), (930, 132730), (975, 126604), (1021, 120900), (1209, 102100), (1300, 94953), (1550, 79638), (1612, 76575), (1860, 66365), (1950, 63302), (2015, 61260), (2042, 60450), (2325, 53092), (2418, 51050), (3063, 40300), (3100, 39819), (3900, 31651), (4030, 30630), (4084, 30225), (4650, 26546), (4836, 25525), (5105, 24180), (6045, 20420), (6126, 20150), (8060, 15315), (9300, 13273), (10075, 12252), (10210, 12090)]