81399300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 251983872

約数和(自身を除く): 170584572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 47, 50, 60, 69, 75, 92, 94, 100, 115, 138, 141, 150, 188, 230, 235, 251, 276, 282, 300, 345, 460, 470, 502, 564, 575, 690, 705, 753, 940, 1004, 1081, 1150, 1175, 1255, 1380, 1410, 1506, 1725, 2162, 2300, 2350, 2510, 2820, 3012, 3243, 3450, 3525, 3765, 4324, 4700, 5020, 5405, 5773, 6275, 6486, 6900, 7050, 7530, 10810, 11546, 11797, 12550, 12972, 14100, 15060, 16215, 17319, 18825, 21620, 23092, 23594, 25100, 27025, 28865, 32430, 34638, 35391, 37650, 47188, 54050, 57730, 58985, 64860, 69276, 70782, 75300, 81075, 86595, 108100, 115460, 117970, 141564, 144325, 162150, 173190, 176955, 235940, 271331, 288650, 294925, 324300, 346380, 353910, 432975, 542662, 577300, 589850, 707820, 813993, 865950, 884775, 1085324, 1179700, 1356655, 1627986, 1731900, 1769550, 2713310, 3255972, 3539100, 4069965, 5426620, 6783275, 8139930, 13566550, 16279860, 20349825, 27133100, 40699650, 81399300]

約数ペア:

[(1, 81399300), (2, 40699650), (3, 27133100), (4, 20349825), (5, 16279860), (6, 13566550), (10, 8139930), (12, 6783275), (15, 5426620), (20, 4069965), (23, 3539100), (25, 3255972), (30, 2713310), (46, 1769550), (47, 1731900), (50, 1627986), (60, 1356655), (69, 1179700), (75, 1085324), (92, 884775), (94, 865950), (100, 813993), (115, 707820), (138, 589850), (141, 577300), (150, 542662), (188, 432975), (230, 353910), (235, 346380), (251, 324300), (276, 294925), (282, 288650), (300, 271331), (345, 235940), (460, 176955), (470, 173190), (502, 162150), (564, 144325), (575, 141564), (690, 117970), (705, 115460), (753, 108100), (940, 86595), (1004, 81075), (1081, 75300), (1150, 70782), (1175, 69276), (1255, 64860), (1380, 58985), (1410, 57730), (1506, 54050), (1725, 47188), (2162, 37650), (2300, 35391), (2350, 34638), (2510, 32430), (2820, 28865), (3012, 27025), (3243, 25100), (3450, 23594), (3525, 23092), (3765, 21620), (4324, 18825), (4700, 17319), (5020, 16215), (5405, 15060), (5773, 14100), (6275, 12972), (6486, 12550), (6900, 11797), (7050, 11546), (7530, 10810)]