31492980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7607}}^1$

素因数の和:7645

約数の個数: 72

約数和(自身を含む): 99695232

約数和(自身を除く): 68202252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7607, 15214, 22821, 30428, 38035, 45642, 68463, 76070, 91284, 114105, 136926, 152140, 174961, 228210, 273852, 342315, 349922, 456420, 524883, 684630, 699844, 874805, 1049766, 1369260, 1574649, 1749610, 2099532, 2624415, 3149298, 3499220, 5248830, 6298596, 7873245, 10497660, 15746490, 31492980]

約数ペア:

[(1, 31492980), (2, 15746490), (3, 10497660), (4, 7873245), (5, 6298596), (6, 5248830), (9, 3499220), (10, 3149298), (12, 2624415), (15, 2099532), (18, 1749610), (20, 1574649), (23, 1369260), (30, 1049766), (36, 874805), (45, 699844), (46, 684630), (60, 524883), (69, 456420), (90, 349922), (92, 342315), (115, 273852), (138, 228210), (180, 174961), (207, 152140), (230, 136926), (276, 114105), (345, 91284), (414, 76070), (460, 68463), (690, 45642), (828, 38035), (1035, 30428), (1380, 22821), (2070, 15214), (4140, 7607)]