81548370

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:966

約数の個数: 96

約数和(自身を含む): 226070208

約数和(自身を除く): 144521838

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 243, 270, 333, 370, 405, 486, 555, 666, 810, 907, 999, 1110, 1215, 1665, 1814, 1998, 2430, 2721, 2997, 3330, 4535, 4995, 5442, 5994, 8163, 8991, 9070, 9990, 13605, 14985, 16326, 17982, 24489, 27210, 29970, 33559, 40815, 44955, 48978, 67118, 73467, 81630, 89910, 100677, 122445, 146934, 167795, 201354, 220401, 244890, 302031, 335590, 367335, 440802, 503385, 604062, 734670, 906093, 1006770, 1102005, 1510155, 1812186, 2204010, 2718279, 3020310, 4530465, 5436558, 8154837, 9060930, 13591395, 16309674, 27182790, 40774185, 81548370]

約数ペア:

[(1, 81548370), (2, 40774185), (3, 27182790), (5, 16309674), (6, 13591395), (9, 9060930), (10, 8154837), (15, 5436558), (18, 4530465), (27, 3020310), (30, 2718279), (37, 2204010), (45, 1812186), (54, 1510155), (74, 1102005), (81, 1006770), (90, 906093), (111, 734670), (135, 604062), (162, 503385), (185, 440802), (222, 367335), (243, 335590), (270, 302031), (333, 244890), (370, 220401), (405, 201354), (486, 167795), (555, 146934), (666, 122445), (810, 100677), (907, 89910), (999, 81630), (1110, 73467), (1215, 67118), (1665, 48978), (1814, 44955), (1998, 40815), (2430, 33559), (2721, 29970), (2997, 27210), (3330, 24489), (4535, 17982), (4995, 16326), (5442, 14985), (5994, 13605), (8163, 9990), (8991, 9070)]