1280300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 3333120

約数和(自身を除く): 2052820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 59, 62, 70, 100, 118, 124, 140, 155, 175, 217, 236, 295, 310, 350, 413, 434, 590, 620, 700, 775, 826, 868, 1085, 1180, 1475, 1550, 1652, 1829, 2065, 2170, 2950, 3100, 3658, 4130, 4340, 5425, 5900, 7316, 8260, 9145, 10325, 10850, 12803, 18290, 20650, 21700, 25606, 36580, 41300, 45725, 51212, 64015, 91450, 128030, 182900, 256060, 320075, 640150, 1280300]

約数ペア:

[(1, 1280300), (2, 640150), (4, 320075), (5, 256060), (7, 182900), (10, 128030), (14, 91450), (20, 64015), (25, 51212), (28, 45725), (31, 41300), (35, 36580), (50, 25606), (59, 21700), (62, 20650), (70, 18290), (100, 12803), (118, 10850), (124, 10325), (140, 9145), (155, 8260), (175, 7316), (217, 5900), (236, 5425), (295, 4340), (310, 4130), (350, 3658), (413, 3100), (434, 2950), (590, 2170), (620, 2065), (700, 1829), (775, 1652), (826, 1550), (868, 1475), (1085, 1180)]