421001880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{673}}^1$

素因数の和:1101

約数の個数: 128

約数和(自身を含む): 1365577920

約数和(自身を除く): 944576040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 401, 520, 673, 780, 802, 1203, 1346, 1560, 1604, 2005, 2019, 2406, 2692, 3208, 3365, 4010, 4038, 4812, 5213, 5384, 6015, 6730, 8020, 8076, 8749, 9624, 10095, 10426, 12030, 13460, 15639, 16040, 16152, 17498, 20190, 20852, 24060, 26065, 26247, 26920, 31278, 34996, 40380, 41704, 43745, 48120, 52130, 52494, 62556, 69992, 78195, 80760, 87490, 104260, 104988, 125112, 131235, 156390, 174980, 208520, 209976, 262470, 269873, 312780, 349960, 524940, 539746, 625560, 809619, 1049880, 1079492, 1349365, 1619238, 2158984, 2698730, 3238476, 3508349, 4048095, 5397460, 6476952, 7016698, 8096190, 10525047, 10794920, 14033396, 16192380, 17541745, 21050094, 28066792, 32384760, 35083490, 42100188, 52625235, 70166980, 84200376, 105250470, 140333960, 210500940, 421001880]

約数ペア:

[(1, 421001880), (2, 210500940), (3, 140333960), (4, 105250470), (5, 84200376), (6, 70166980), (8, 52625235), (10, 42100188), (12, 35083490), (13, 32384760), (15, 28066792), (20, 21050094), (24, 17541745), (26, 16192380), (30, 14033396), (39, 10794920), (40, 10525047), (52, 8096190), (60, 7016698), (65, 6476952), (78, 5397460), (104, 4048095), (120, 3508349), (130, 3238476), (156, 2698730), (195, 2158984), (260, 1619238), (312, 1349365), (390, 1079492), (401, 1049880), (520, 809619), (673, 625560), (780, 539746), (802, 524940), (1203, 349960), (1346, 312780), (1560, 269873), (1604, 262470), (2005, 209976), (2019, 208520), (2406, 174980), (2692, 156390), (3208, 131235), (3365, 125112), (4010, 104988), (4038, 104260), (4812, 87490), (5213, 80760), (5384, 78195), (6015, 69992), (6730, 62556), (8020, 52494), (8076, 52130), (8749, 48120), (9624, 43745), (10095, 41704), (10426, 40380), (12030, 34996), (13460, 31278), (15639, 26920), (16040, 26247), (16152, 26065), (17498, 24060), (20190, 20852)]