64398750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1359

約数の個数: 80

約数和(自身を含む): 173456976

約数和(自身を除く): 109058226

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 625, 650, 750, 975, 1250, 1321, 1625, 1875, 1950, 2642, 3250, 3750, 3963, 4875, 6605, 7926, 8125, 9750, 13210, 16250, 17173, 19815, 24375, 33025, 34346, 39630, 48750, 51519, 66050, 85865, 99075, 103038, 165125, 171730, 198150, 257595, 330250, 429325, 495375, 515190, 825625, 858650, 990750, 1287975, 1651250, 2146625, 2476875, 2575950, 4293250, 4953750, 6439875, 10733125, 12879750, 21466250, 32199375, 64398750]

約数ペア:

[(1, 64398750), (2, 32199375), (3, 21466250), (5, 12879750), (6, 10733125), (10, 6439875), (13, 4953750), (15, 4293250), (25, 2575950), (26, 2476875), (30, 2146625), (39, 1651250), (50, 1287975), (65, 990750), (75, 858650), (78, 825625), (125, 515190), (130, 495375), (150, 429325), (195, 330250), (250, 257595), (325, 198150), (375, 171730), (390, 165125), (625, 103038), (650, 99075), (750, 85865), (975, 66050), (1250, 51519), (1321, 48750), (1625, 39630), (1875, 34346), (1950, 33025), (2642, 24375), (3250, 19815), (3750, 17173), (3963, 16250), (4875, 13210), (6605, 9750), (7926, 8125)]