123962800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 120

約数和(自身を含む): 331506560

約数和(自身を除く): 207543760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 769, 775, 806, 1040, 1240, 1300, 1538, 1550, 1612, 2015, 2480, 2600, 3076, 3100, 3224, 3845, 4030, 5200, 6152, 6200, 6448, 7690, 8060, 9997, 10075, 12304, 12400, 15380, 16120, 19225, 19994, 20150, 23839, 30760, 32240, 38450, 39988, 40300, 47678, 49985, 61520, 76900, 79976, 80600, 95356, 99970, 119195, 153800, 159952, 161200, 190712, 199940, 238390, 249925, 307600, 309907, 381424, 399880, 476780, 499850, 595975, 619814, 799760, 953560, 999700, 1191950, 1239628, 1549535, 1907120, 1999400, 2383900, 2479256, 3099070, 3998800, 4767800, 4958512, 6198140, 7747675, 9535600, 12396280, 15495350, 24792560, 30990700, 61981400, 123962800]

約数ペア:

[(1, 123962800), (2, 61981400), (4, 30990700), (5, 24792560), (8, 15495350), (10, 12396280), (13, 9535600), (16, 7747675), (20, 6198140), (25, 4958512), (26, 4767800), (31, 3998800), (40, 3099070), (50, 2479256), (52, 2383900), (62, 1999400), (65, 1907120), (80, 1549535), (100, 1239628), (104, 1191950), (124, 999700), (130, 953560), (155, 799760), (200, 619814), (208, 595975), (248, 499850), (260, 476780), (310, 399880), (325, 381424), (400, 309907), (403, 307600), (496, 249925), (520, 238390), (620, 199940), (650, 190712), (769, 161200), (775, 159952), (806, 153800), (1040, 119195), (1240, 99970), (1300, 95356), (1538, 80600), (1550, 79976), (1612, 76900), (2015, 61520), (2480, 49985), (2600, 47678), (3076, 40300), (3100, 39988), (3224, 38450), (3845, 32240), (4030, 30760), (5200, 23839), (6152, 20150), (6200, 19994), (6448, 19225), (7690, 16120), (8060, 15380), (9997, 12400), (10075, 12304)]