81447210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1132

約数の個数: 96

約数和(自身を含む): 231678720

約数和(自身を除く): 150231510

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 67, 78, 90, 117, 130, 134, 195, 201, 234, 335, 390, 402, 585, 603, 670, 871, 1005, 1039, 1170, 1206, 1742, 2010, 2078, 2613, 3015, 3117, 4355, 5195, 5226, 6030, 6234, 7839, 8710, 9351, 10390, 13065, 13507, 15585, 15678, 18702, 26130, 27014, 31170, 39195, 40521, 46755, 67535, 69613, 78390, 81042, 93510, 121563, 135070, 139226, 202605, 208839, 243126, 348065, 405210, 417678, 607815, 626517, 696130, 904969, 1044195, 1215630, 1253034, 1809938, 2088390, 2714907, 3132585, 4524845, 5429814, 6265170, 8144721, 9049690, 13574535, 16289442, 27149070, 40723605, 81447210]

約数ペア:

[(1, 81447210), (2, 40723605), (3, 27149070), (5, 16289442), (6, 13574535), (9, 9049690), (10, 8144721), (13, 6265170), (15, 5429814), (18, 4524845), (26, 3132585), (30, 2714907), (39, 2088390), (45, 1809938), (65, 1253034), (67, 1215630), (78, 1044195), (90, 904969), (117, 696130), (130, 626517), (134, 607815), (195, 417678), (201, 405210), (234, 348065), (335, 243126), (390, 208839), (402, 202605), (585, 139226), (603, 135070), (670, 121563), (871, 93510), (1005, 81042), (1039, 78390), (1170, 69613), (1206, 67535), (1742, 46755), (2010, 40521), (2078, 39195), (2613, 31170), (3015, 27014), (3117, 26130), (4355, 18702), (5195, 15678), (5226, 15585), (6030, 13507), (6234, 13065), (7839, 10390), (8710, 9351)]