72402440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2789}}^1$

素因数の和:2870

約数の個数: 64

約数和(自身を含む): 180792000

約数和(自身を除く): 108389560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2596, 2789, 3245, 5192, 5578, 6490, 11156, 12980, 13945, 22312, 25960, 27890, 30679, 55780, 61358, 111560, 122716, 153395, 164551, 245432, 306790, 329102, 613580, 658204, 822755, 1227160, 1316408, 1645510, 1810061, 3291020, 3620122, 6582040, 7240244, 9050305, 14480488, 18100610, 36201220, 72402440]

約数ペア:

[(1, 72402440), (2, 36201220), (4, 18100610), (5, 14480488), (8, 9050305), (10, 7240244), (11, 6582040), (20, 3620122), (22, 3291020), (40, 1810061), (44, 1645510), (55, 1316408), (59, 1227160), (88, 822755), (110, 658204), (118, 613580), (220, 329102), (236, 306790), (295, 245432), (440, 164551), (472, 153395), (590, 122716), (649, 111560), (1180, 61358), (1298, 55780), (2360, 30679), (2596, 27890), (2789, 25960), (3245, 22312), (5192, 13945), (5578, 12980), (6490, 11156)]