326978820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{259507}}^1$

素因数の和:259529

約数の個数: 72

約数和(自身を含む): 1133530944

約数和(自身を除く): 806552124

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, 259507, 519014, 778521, 1038028, 1297535, 1557042, 1816549, 2335563, 2595070, 3114084, 3633098, 3892605, 4671126, 5190140, 5449647, 7266196, 7785210, 9082745, 9342252, 10899294, 11677815, 15570420, 16348941, 18165490, 21798588, 23355630, 27248235, 32697882, 36330980, 46711260, 54496470, 65395764, 81744705, 108992940, 163489410, 326978820]

約数ペア:

[(1, 326978820), (2, 163489410), (3, 108992940), (4, 81744705), (5, 65395764), (6, 54496470), (7, 46711260), (9, 36330980), (10, 32697882), (12, 27248235), (14, 23355630), (15, 21798588), (18, 18165490), (20, 16348941), (21, 15570420), (28, 11677815), (30, 10899294), (35, 9342252), (36, 9082745), (42, 7785210), (45, 7266196), (60, 5449647), (63, 5190140), (70, 4671126), (84, 3892605), (90, 3633098), (105, 3114084), (126, 2595070), (140, 2335563), (180, 1816549), (210, 1557042), (252, 1297535), (315, 1038028), (420, 778521), (630, 519014), (1260, 259507)]