81860640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1074

約数の個数: 96

約数和(自身を含む): 259459200

約数和(自身を除く): 177598560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 199, 240, 398, 480, 597, 796, 857, 995, 1194, 1592, 1714, 1990, 2388, 2571, 2985, 3184, 3428, 3980, 4285, 4776, 5142, 5970, 6368, 6856, 7960, 8570, 9552, 10284, 11940, 12855, 13712, 15920, 17140, 19104, 20568, 23880, 25710, 27424, 31840, 34280, 41136, 47760, 51420, 68560, 82272, 95520, 102840, 137120, 170543, 205680, 341086, 411360, 511629, 682172, 852715, 1023258, 1364344, 1705430, 2046516, 2558145, 2728688, 3410860, 4093032, 5116290, 5457376, 6821720, 8186064, 10232580, 13643440, 16372128, 20465160, 27286880, 40930320, 81860640]

約数ペア:

[(1, 81860640), (2, 40930320), (3, 27286880), (4, 20465160), (5, 16372128), (6, 13643440), (8, 10232580), (10, 8186064), (12, 6821720), (15, 5457376), (16, 5116290), (20, 4093032), (24, 3410860), (30, 2728688), (32, 2558145), (40, 2046516), (48, 1705430), (60, 1364344), (80, 1023258), (96, 852715), (120, 682172), (160, 511629), (199, 411360), (240, 341086), (398, 205680), (480, 170543), (597, 137120), (796, 102840), (857, 95520), (995, 82272), (1194, 68560), (1592, 51420), (1714, 47760), (1990, 41136), (2388, 34280), (2571, 31840), (2985, 27424), (3184, 25710), (3428, 23880), (3980, 20568), (4285, 19104), (4776, 17140), (5142, 15920), (5970, 13712), (6368, 12855), (6856, 11940), (7960, 10284), (8570, 9552)]