19958160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 62424576

約数和(自身を除く): 42466416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 607, 685, 822, 1096, 1214, 1370, 1644, 1821, 2055, 2192, 2428, 2740, 3035, 3288, 3642, 4110, 4856, 5480, 6070, 6576, 7284, 8220, 9105, 9712, 10960, 12140, 14568, 16440, 18210, 24280, 29136, 32880, 36420, 48560, 72840, 83159, 145680, 166318, 249477, 332636, 415795, 498954, 665272, 831590, 997908, 1247385, 1330544, 1663180, 1995816, 2494770, 3326360, 3991632, 4989540, 6652720, 9979080, 19958160]

約数ペア:

[(1, 19958160), (2, 9979080), (3, 6652720), (4, 4989540), (5, 3991632), (6, 3326360), (8, 2494770), (10, 1995816), (12, 1663180), (15, 1330544), (16, 1247385), (20, 997908), (24, 831590), (30, 665272), (40, 498954), (48, 415795), (60, 332636), (80, 249477), (120, 166318), (137, 145680), (240, 83159), (274, 72840), (411, 48560), (548, 36420), (607, 32880), (685, 29136), (822, 24280), (1096, 18210), (1214, 16440), (1370, 14568), (1644, 12140), (1821, 10960), (2055, 9712), (2192, 9105), (2428, 8220), (2740, 7284), (3035, 6576), (3288, 6070), (3642, 5480), (4110, 4856)]