72738840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 233913600

約数和(自身を除く): 161174760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 61, 76, 95, 114, 120, 122, 152, 183, 190, 228, 244, 285, 305, 366, 380, 456, 488, 523, 570, 610, 732, 760, 915, 1046, 1140, 1159, 1220, 1464, 1569, 1830, 2092, 2280, 2318, 2440, 2615, 3138, 3477, 3660, 4184, 4636, 5230, 5795, 6276, 6954, 7320, 7845, 9272, 9937, 10460, 11590, 12552, 13908, 15690, 17385, 19874, 20920, 23180, 27816, 29811, 31380, 31903, 34770, 39748, 46360, 49685, 59622, 62760, 63806, 69540, 79496, 95709, 99370, 119244, 127612, 139080, 149055, 159515, 191418, 198740, 238488, 255224, 298110, 319030, 382836, 397480, 478545, 596220, 606157, 638060, 765672, 957090, 1192440, 1212314, 1276120, 1818471, 1914180, 2424628, 3030785, 3636942, 3828360, 4849256, 6061570, 7273884, 9092355, 12123140, 14547768, 18184710, 24246280, 36369420, 72738840]

約数ペア:

[(1, 72738840), (2, 36369420), (3, 24246280), (4, 18184710), (5, 14547768), (6, 12123140), (8, 9092355), (10, 7273884), (12, 6061570), (15, 4849256), (19, 3828360), (20, 3636942), (24, 3030785), (30, 2424628), (38, 1914180), (40, 1818471), (57, 1276120), (60, 1212314), (61, 1192440), (76, 957090), (95, 765672), (114, 638060), (120, 606157), (122, 596220), (152, 478545), (183, 397480), (190, 382836), (228, 319030), (244, 298110), (285, 255224), (305, 238488), (366, 198740), (380, 191418), (456, 159515), (488, 149055), (523, 139080), (570, 127612), (610, 119244), (732, 99370), (760, 95709), (915, 79496), (1046, 69540), (1140, 63806), (1159, 62760), (1220, 59622), (1464, 49685), (1569, 46360), (1830, 39748), (2092, 34770), (2280, 31903), (2318, 31380), (2440, 29811), (2615, 27816), (3138, 23180), (3477, 20920), (3660, 19874), (4184, 17385), (4636, 15690), (5230, 13908), (5795, 12552), (6276, 11590), (6954, 10460), (7320, 9937), (7845, 9272)]