81826380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5477}}^1$

素因数の和:5575

約数の個数: 72

約数和(自身を含む): 251242992

約数和(自身を除く): 169416612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 5477, 7470, 10954, 14940, 16431, 21908, 27385, 32862, 49293, 54770, 65724, 82155, 98586, 109540, 164310, 197172, 246465, 328620, 454591, 492930, 909182, 985860, 1363773, 1818364, 2272955, 2727546, 4091319, 4545910, 5455092, 6818865, 8182638, 9091820, 13637730, 16365276, 20456595, 27275460, 40913190, 81826380]

約数ペア:

[(1, 81826380), (2, 40913190), (3, 27275460), (4, 20456595), (5, 16365276), (6, 13637730), (9, 9091820), (10, 8182638), (12, 6818865), (15, 5455092), (18, 4545910), (20, 4091319), (30, 2727546), (36, 2272955), (45, 1818364), (60, 1363773), (83, 985860), (90, 909182), (166, 492930), (180, 454591), (249, 328620), (332, 246465), (415, 197172), (498, 164310), (747, 109540), (830, 98586), (996, 82155), (1245, 65724), (1494, 54770), (1660, 49293), (2490, 32862), (2988, 27385), (3735, 21908), (4980, 16431), (5477, 14940), (7470, 10954)]