69919020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1249}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 212940000

約数和(自身を除く): 143020980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1244, 1249, 1555, 1866, 2498, 2799, 3110, 3732, 3747, 4665, 4996, 5598, 6220, 6245, 7494, 9330, 11196, 11241, 12490, 13995, 14988, 18660, 18735, 22482, 24980, 27990, 37470, 44964, 55980, 56205, 74940, 112410, 224820, 388439, 776878, 1165317, 1553756, 1942195, 2330634, 3495951, 3884390, 4661268, 5826585, 6991902, 7768780, 11653170, 13983804, 17479755, 23306340, 34959510, 69919020]

約数ペア:

[(1, 69919020), (2, 34959510), (3, 23306340), (4, 17479755), (5, 13983804), (6, 11653170), (9, 7768780), (10, 6991902), (12, 5826585), (15, 4661268), (18, 3884390), (20, 3495951), (30, 2330634), (36, 1942195), (45, 1553756), (60, 1165317), (90, 776878), (180, 388439), (311, 224820), (622, 112410), (933, 74940), (1244, 56205), (1249, 55980), (1555, 44964), (1866, 37470), (2498, 27990), (2799, 24980), (3110, 22482), (3732, 18735), (3747, 18660), (4665, 14988), (4996, 13995), (5598, 12490), (6220, 11241), (6245, 11196), (7494, 9330)]