2015812500

素因数分解:

$2^2\times 3^1\times 5^6\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:877

約数の個数: 168

約数和(自身を含む): 6339293856

約数和(自身を除く): 4323481356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 625, 650, 750, 780, 827, 975, 1250, 1300, 1500, 1625, 1654, 1875, 1950, 2481, 2500, 3125, 3250, 3308, 3750, 3900, 4135, 4875, 4962, 6250, 6500, 7500, 8125, 8270, 9375, 9750, 9924, 10751, 12405, 12500, 15625, 16250, 16540, 18750, 19500, 20675, 21502, 24375, 24810, 31250, 32253, 32500, 37500, 40625, 41350, 43004, 46875, 48750, 49620, 53755, 62025, 62500, 64506, 81250, 82700, 93750, 97500, 103375, 107510, 121875, 124050, 129012, 161265, 162500, 187500, 203125, 206750, 215020, 243750, 248100, 268775, 310125, 322530, 406250, 413500, 487500, 516875, 537550, 609375, 620250, 645060, 806325, 812500, 1033750, 1075100, 1218750, 1240500, 1343875, 1550625, 1612650, 2067500, 2437500, 2584375, 2687750, 3101250, 3225300, 4031625, 5168750, 5375500, 6202500, 6719375, 7753125, 8063250, 10337500, 12921875, 13438750, 15506250, 16126500, 20158125, 25843750, 26877500, 31012500, 33596875, 38765625, 40316250, 51687500, 67193750, 77531250, 80632500, 100790625, 134387500, 155062500, 167984375, 201581250, 335968750, 403162500, 503953125, 671937500, 1007906250, 2015812500]

約数ペア:

[(1, 2015812500), (2, 1007906250), (3, 671937500), (4, 503953125), (5, 403162500), (6, 335968750), (10, 201581250), (12, 167984375), (13, 155062500), (15, 134387500), (20, 100790625), (25, 80632500), (26, 77531250), (30, 67193750), (39, 51687500), (50, 40316250), (52, 38765625), (60, 33596875), (65, 31012500), (75, 26877500), (78, 25843750), (100, 20158125), (125, 16126500), (130, 15506250), (150, 13438750), (156, 12921875), (195, 10337500), (250, 8063250), (260, 7753125), (300, 6719375), (325, 6202500), (375, 5375500), (390, 5168750), (500, 4031625), (625, 3225300), (650, 3101250), (750, 2687750), (780, 2584375), (827, 2437500), (975, 2067500), (1250, 1612650), (1300, 1550625), (1500, 1343875), (1625, 1240500), (1654, 1218750), (1875, 1075100), (1950, 1033750), (2481, 812500), (2500, 806325), (3125, 645060), (3250, 620250), (3308, 609375), (3750, 537550), (3900, 516875), (4135, 487500), (4875, 413500), (4962, 406250), (6250, 322530), (6500, 310125), (7500, 268775), (8125, 248100), (8270, 243750), (9375, 215020), (9750, 206750), (9924, 203125), (10751, 187500), (12405, 162500), (12500, 161265), (15625, 129012), (16250, 124050), (16540, 121875), (18750, 107510), (19500, 103375), (20675, 97500), (21502, 93750), (24375, 82700), (24810, 81250), (31250, 64506), (32253, 62500), (32500, 62025), (37500, 53755), (40625, 49620), (41350, 48750), (43004, 46875)]