81461800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1931

約数の個数: 96

約数和(自身を含む): 223557120

約数和(自身を除く): 142095320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 434, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 1877, 2170, 3100, 3754, 4340, 5425, 6200, 7508, 8680, 9385, 10850, 13139, 15016, 18770, 21700, 26278, 37540, 43400, 46925, 52556, 58187, 65695, 75080, 93850, 105112, 116374, 131390, 187700, 232748, 262780, 290935, 328475, 375400, 407309, 465496, 525560, 581870, 656950, 814618, 1163740, 1313900, 1454675, 1629236, 2036545, 2327480, 2627800, 2909350, 3258472, 4073090, 5818700, 8146180, 10182725, 11637400, 16292360, 20365450, 40730900, 81461800]

約数ペア:

[(1, 81461800), (2, 40730900), (4, 20365450), (5, 16292360), (7, 11637400), (8, 10182725), (10, 8146180), (14, 5818700), (20, 4073090), (25, 3258472), (28, 2909350), (31, 2627800), (35, 2327480), (40, 2036545), (50, 1629236), (56, 1454675), (62, 1313900), (70, 1163740), (100, 814618), (124, 656950), (140, 581870), (155, 525560), (175, 465496), (200, 407309), (217, 375400), (248, 328475), (280, 290935), (310, 262780), (350, 232748), (434, 187700), (620, 131390), (700, 116374), (775, 105112), (868, 93850), (1085, 75080), (1240, 65695), (1400, 58187), (1550, 52556), (1736, 46925), (1877, 43400), (2170, 37540), (3100, 26278), (3754, 21700), (4340, 18770), (5425, 15016), (6200, 13139), (7508, 10850), (8680, 9385)]