87981900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 272982528

約数和(自身を除く): 185000628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 41, 46, 50, 60, 69, 75, 82, 92, 100, 115, 123, 138, 150, 164, 205, 230, 246, 276, 300, 311, 345, 410, 460, 492, 575, 615, 622, 690, 820, 933, 943, 1025, 1150, 1230, 1244, 1380, 1555, 1725, 1866, 1886, 2050, 2300, 2460, 2829, 3075, 3110, 3450, 3732, 3772, 4100, 4665, 4715, 5658, 6150, 6220, 6900, 7153, 7775, 9330, 9430, 11316, 12300, 12751, 14145, 14306, 15550, 18660, 18860, 21459, 23325, 23575, 25502, 28290, 28612, 31100, 35765, 38253, 42918, 46650, 47150, 51004, 56580, 63755, 70725, 71530, 76506, 85836, 93300, 94300, 107295, 127510, 141450, 143060, 153012, 178825, 191265, 214590, 255020, 282900, 293273, 318775, 357650, 382530, 429180, 536475, 586546, 637550, 715300, 765060, 879819, 956325, 1072950, 1173092, 1275100, 1466365, 1759638, 1912650, 2145900, 2932730, 3519276, 3825300, 4399095, 5865460, 7331825, 8798190, 14663650, 17596380, 21995475, 29327300, 43990950, 87981900]

約数ペア:

[(1, 87981900), (2, 43990950), (3, 29327300), (4, 21995475), (5, 17596380), (6, 14663650), (10, 8798190), (12, 7331825), (15, 5865460), (20, 4399095), (23, 3825300), (25, 3519276), (30, 2932730), (41, 2145900), (46, 1912650), (50, 1759638), (60, 1466365), (69, 1275100), (75, 1173092), (82, 1072950), (92, 956325), (100, 879819), (115, 765060), (123, 715300), (138, 637550), (150, 586546), (164, 536475), (205, 429180), (230, 382530), (246, 357650), (276, 318775), (300, 293273), (311, 282900), (345, 255020), (410, 214590), (460, 191265), (492, 178825), (575, 153012), (615, 143060), (622, 141450), (690, 127510), (820, 107295), (933, 94300), (943, 93300), (1025, 85836), (1150, 76506), (1230, 71530), (1244, 70725), (1380, 63755), (1555, 56580), (1725, 51004), (1866, 47150), (1886, 46650), (2050, 42918), (2300, 38253), (2460, 35765), (2829, 31100), (3075, 28612), (3110, 28290), (3450, 25502), (3732, 23575), (3772, 23325), (4100, 21459), (4665, 18860), (4715, 18660), (5658, 15550), (6150, 14306), (6220, 14145), (6900, 12751), (7153, 12300), (7775, 11316), (9330, 9430)]