51425640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{20407}}^1$

素因数の和:20431

約数の個数: 96

約数和(自身を含む): 191018880

約数和(自身を除く): 139593240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 20407, 40814, 61221, 81628, 102035, 122442, 142849, 163256, 183663, 204070, 244884, 285698, 306105, 367326, 408140, 428547, 489768, 571396, 612210, 714245, 734652, 816280, 857094, 918315, 1142792, 1224420, 1285641, 1428490, 1469304, 1714188, 1836630, 2142735, 2448840, 2571282, 2856980, 3428376, 3673260, 4285470, 5142564, 5713960, 6428205, 7346520, 8570940, 10285128, 12856410, 17141880, 25712820, 51425640]

約数ペア:

[(1, 51425640), (2, 25712820), (3, 17141880), (4, 12856410), (5, 10285128), (6, 8570940), (7, 7346520), (8, 6428205), (9, 5713960), (10, 5142564), (12, 4285470), (14, 3673260), (15, 3428376), (18, 2856980), (20, 2571282), (21, 2448840), (24, 2142735), (28, 1836630), (30, 1714188), (35, 1469304), (36, 1428490), (40, 1285641), (42, 1224420), (45, 1142792), (56, 918315), (60, 857094), (63, 816280), (70, 734652), (72, 714245), (84, 612210), (90, 571396), (105, 489768), (120, 428547), (126, 408140), (140, 367326), (168, 306105), (180, 285698), (210, 244884), (252, 204070), (280, 183663), (315, 163256), (360, 142849), (420, 122442), (504, 102035), (630, 81628), (840, 61221), (1260, 40814), (2520, 20407)]