1287300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{613}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 4263616

約数和(自身を除く): 2976316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 613, 700, 1050, 1226, 1839, 2100, 2452, 3065, 3678, 4291, 6130, 7356, 8582, 9195, 12260, 12873, 15325, 17164, 18390, 21455, 25746, 30650, 36780, 42910, 45975, 51492, 61300, 64365, 85820, 91950, 107275, 128730, 183900, 214550, 257460, 321825, 429100, 643650, 1287300]

約数ペア:

[(1, 1287300), (2, 643650), (3, 429100), (4, 321825), (5, 257460), (6, 214550), (7, 183900), (10, 128730), (12, 107275), (14, 91950), (15, 85820), (20, 64365), (21, 61300), (25, 51492), (28, 45975), (30, 42910), (35, 36780), (42, 30650), (50, 25746), (60, 21455), (70, 18390), (75, 17164), (84, 15325), (100, 12873), (105, 12260), (140, 9195), (150, 8582), (175, 7356), (210, 6130), (300, 4291), (350, 3678), (420, 3065), (525, 2452), (613, 2100), (700, 1839), (1050, 1226)]