1290420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 4009824

約数和(自身を除く): 2719404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 107, 134, 180, 201, 214, 268, 321, 335, 402, 428, 535, 603, 642, 670, 804, 963, 1005, 1070, 1206, 1284, 1340, 1605, 1926, 2010, 2140, 2412, 3015, 3210, 3852, 4020, 4815, 6030, 6420, 7169, 9630, 12060, 14338, 19260, 21507, 28676, 35845, 43014, 64521, 71690, 86028, 107535, 129042, 143380, 215070, 258084, 322605, 430140, 645210, 1290420]

約数ペア:

[(1, 1290420), (2, 645210), (3, 430140), (4, 322605), (5, 258084), (6, 215070), (9, 143380), (10, 129042), (12, 107535), (15, 86028), (18, 71690), (20, 64521), (30, 43014), (36, 35845), (45, 28676), (60, 21507), (67, 19260), (90, 14338), (107, 12060), (134, 9630), (180, 7169), (201, 6420), (214, 6030), (268, 4815), (321, 4020), (335, 3852), (402, 3210), (428, 3015), (535, 2412), (603, 2140), (642, 2010), (670, 1926), (804, 1605), (963, 1340), (1005, 1284), (1070, 1206)]