78715980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62473}}^1$

素因数の和:62495

約数の個数: 72

約数和(自身を含む): 272886432

約数和(自身を除く): 194170452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62473, 124946, 187419, 249892, 312365, 374838, 437311, 562257, 624730, 749676, 874622, 937095, 1124514, 1249460, 1311933, 1749244, 1874190, 2186555, 2249028, 2623866, 2811285, 3748380, 3935799, 4373110, 5247732, 5622570, 6559665, 7871598, 8746220, 11245140, 13119330, 15743196, 19678995, 26238660, 39357990, 78715980]

約数ペア:

[(1, 78715980), (2, 39357990), (3, 26238660), (4, 19678995), (5, 15743196), (6, 13119330), (7, 11245140), (9, 8746220), (10, 7871598), (12, 6559665), (14, 5622570), (15, 5247732), (18, 4373110), (20, 3935799), (21, 3748380), (28, 2811285), (30, 2623866), (35, 2249028), (36, 2186555), (42, 1874190), (45, 1749244), (60, 1311933), (63, 1249460), (70, 1124514), (84, 937095), (90, 874622), (105, 749676), (126, 624730), (140, 562257), (180, 437311), (210, 374838), (252, 312365), (315, 249892), (420, 187419), (630, 124946), (1260, 62473)]