80906520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 255571200

約数和(自身を除く): 174664680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 67, 87, 116, 120, 134, 145, 174, 201, 232, 268, 290, 335, 347, 348, 402, 435, 536, 580, 670, 694, 696, 804, 870, 1005, 1041, 1160, 1340, 1388, 1608, 1735, 1740, 1943, 2010, 2082, 2680, 2776, 3470, 3480, 3886, 4020, 4164, 5205, 5829, 6940, 7772, 8040, 8328, 9715, 10063, 10410, 11658, 13880, 15544, 19430, 20126, 20820, 23249, 23316, 29145, 30189, 38860, 40252, 41640, 46498, 46632, 50315, 58290, 60378, 69747, 77720, 80504, 92996, 100630, 116245, 116580, 120756, 139494, 150945, 185992, 201260, 232490, 233160, 241512, 278988, 301890, 348735, 402520, 464980, 557976, 603780, 674221, 697470, 929960, 1207560, 1348442, 1394940, 2022663, 2696884, 2789880, 3371105, 4045326, 5393768, 6742210, 8090652, 10113315, 13484420, 16181304, 20226630, 26968840, 40453260, 80906520]

約数ペア:

[(1, 80906520), (2, 40453260), (3, 26968840), (4, 20226630), (5, 16181304), (6, 13484420), (8, 10113315), (10, 8090652), (12, 6742210), (15, 5393768), (20, 4045326), (24, 3371105), (29, 2789880), (30, 2696884), (40, 2022663), (58, 1394940), (60, 1348442), (67, 1207560), (87, 929960), (116, 697470), (120, 674221), (134, 603780), (145, 557976), (174, 464980), (201, 402520), (232, 348735), (268, 301890), (290, 278988), (335, 241512), (347, 233160), (348, 232490), (402, 201260), (435, 185992), (536, 150945), (580, 139494), (670, 120756), (694, 116580), (696, 116245), (804, 100630), (870, 92996), (1005, 80504), (1041, 77720), (1160, 69747), (1340, 60378), (1388, 58290), (1608, 50315), (1735, 46632), (1740, 46498), (1943, 41640), (2010, 40252), (2082, 38860), (2680, 30189), (2776, 29145), (3470, 23316), (3480, 23249), (3886, 20820), (4020, 20126), (4164, 19430), (5205, 15544), (5829, 13880), (6940, 11658), (7772, 10410), (8040, 10063), (8328, 9715)]