81027100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 232485120

約数和(自身を除く): 151458020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 220, 238, 275, 308, 340, 350, 374, 385, 425, 476, 550, 595, 619, 700, 748, 770, 850, 935, 1100, 1190, 1238, 1309, 1540, 1700, 1870, 1925, 2380, 2476, 2618, 2975, 3095, 3740, 3850, 4333, 4675, 5236, 5950, 6190, 6545, 6809, 7700, 8666, 9350, 10523, 11900, 12380, 13090, 13618, 15475, 17332, 18700, 21046, 21665, 26180, 27236, 30950, 32725, 34045, 42092, 43330, 47663, 52615, 61900, 65450, 68090, 73661, 86660, 95326, 105230, 108325, 115753, 130900, 136180, 147322, 170225, 190652, 210460, 216650, 231506, 238315, 263075, 294644, 340450, 368305, 433300, 463012, 476630, 526150, 578765, 680900, 736610, 810271, 953260, 1052300, 1157530, 1191575, 1473220, 1620542, 1841525, 2315060, 2383150, 2893825, 3241084, 3683050, 4051355, 4766300, 5787650, 7366100, 8102710, 11575300, 16205420, 20256775, 40513550, 81027100]

約数ペア:

[(1, 81027100), (2, 40513550), (4, 20256775), (5, 16205420), (7, 11575300), (10, 8102710), (11, 7366100), (14, 5787650), (17, 4766300), (20, 4051355), (22, 3683050), (25, 3241084), (28, 2893825), (34, 2383150), (35, 2315060), (44, 1841525), (50, 1620542), (55, 1473220), (68, 1191575), (70, 1157530), (77, 1052300), (85, 953260), (100, 810271), (110, 736610), (119, 680900), (140, 578765), (154, 526150), (170, 476630), (175, 463012), (187, 433300), (220, 368305), (238, 340450), (275, 294644), (308, 263075), (340, 238315), (350, 231506), (374, 216650), (385, 210460), (425, 190652), (476, 170225), (550, 147322), (595, 136180), (619, 130900), (700, 115753), (748, 108325), (770, 105230), (850, 95326), (935, 86660), (1100, 73661), (1190, 68090), (1238, 65450), (1309, 61900), (1540, 52615), (1700, 47663), (1870, 43330), (1925, 42092), (2380, 34045), (2476, 32725), (2618, 30950), (2975, 27236), (3095, 26180), (3740, 21665), (3850, 21046), (4333, 18700), (4675, 17332), (5236, 15475), (5950, 13618), (6190, 13090), (6545, 12380), (6809, 11900), (7700, 10523), (8666, 9350)]