68694540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^2$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 196935312

約数和(自身を除く): 128240772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 137, 183, 244, 274, 305, 366, 411, 548, 610, 685, 732, 822, 915, 1220, 1370, 1644, 1830, 2055, 2740, 3660, 4110, 8220, 8357, 16714, 18769, 25071, 33428, 37538, 41785, 50142, 56307, 75076, 83570, 93845, 100284, 112614, 125355, 167140, 187690, 225228, 250710, 281535, 375380, 501420, 563070, 1126140, 1144909, 2289818, 3434727, 4579636, 5724545, 6869454, 11449090, 13738908, 17173635, 22898180, 34347270, 68694540]

約数ペア:

[(1, 68694540), (2, 34347270), (3, 22898180), (4, 17173635), (5, 13738908), (6, 11449090), (10, 6869454), (12, 5724545), (15, 4579636), (20, 3434727), (30, 2289818), (60, 1144909), (61, 1126140), (122, 563070), (137, 501420), (183, 375380), (244, 281535), (274, 250710), (305, 225228), (366, 187690), (411, 167140), (548, 125355), (610, 112614), (685, 100284), (732, 93845), (822, 83570), (915, 75076), (1220, 56307), (1370, 50142), (1644, 41785), (1830, 37538), (2055, 33428), (2740, 25071), (3660, 18769), (4110, 16714), (8220, 8357)]