31879890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{7229}}^1$

素因数の和:7256

約数の個数: 72

約数和(自身を含む): 96433740

約数和(自身を除く): 64553850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 7229, 14458, 21687, 36145, 43374, 50603, 65061, 72290, 101206, 108435, 130122, 151809, 216870, 253015, 303618, 325305, 354221, 455427, 506030, 650610, 708442, 759045, 910854, 1062663, 1518090, 1771105, 2125326, 2277135, 3187989, 3542210, 4554270, 5313315, 6375978, 10626630, 15939945, 31879890]

約数ペア:

[(1, 31879890), (2, 15939945), (3, 10626630), (5, 6375978), (6, 5313315), (7, 4554270), (9, 3542210), (10, 3187989), (14, 2277135), (15, 2125326), (18, 1771105), (21, 1518090), (30, 1062663), (35, 910854), (42, 759045), (45, 708442), (49, 650610), (63, 506030), (70, 455427), (90, 354221), (98, 325305), (105, 303618), (126, 253015), (147, 216870), (210, 151809), (245, 130122), (294, 108435), (315, 101206), (441, 72290), (490, 65061), (630, 50603), (735, 43374), (882, 36145), (1470, 21687), (2205, 14458), (4410, 7229)]