2015098840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{4457}}^1$

素因数の和:4684

約数の個数: 64

約数和(自身を含む): 4622054400

約数和(自身を除く): 2606955560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 127, 178, 254, 356, 445, 508, 635, 712, 890, 1016, 1270, 1780, 2540, 3560, 4457, 5080, 8914, 11303, 17828, 22285, 22606, 35656, 44570, 45212, 56515, 89140, 90424, 113030, 178280, 226060, 396673, 452120, 566039, 793346, 1132078, 1586692, 1983365, 2264156, 2830195, 3173384, 3966730, 4528312, 5660390, 7933460, 11320780, 15866920, 22641560, 50377471, 100754942, 201509884, 251887355, 403019768, 503774710, 1007549420, 2015098840]

約数ペア:

[(1, 2015098840), (2, 1007549420), (4, 503774710), (5, 403019768), (8, 251887355), (10, 201509884), (20, 100754942), (40, 50377471), (89, 22641560), (127, 15866920), (178, 11320780), (254, 7933460), (356, 5660390), (445, 4528312), (508, 3966730), (635, 3173384), (712, 2830195), (890, 2264156), (1016, 1983365), (1270, 1586692), (1780, 1132078), (2540, 793346), (3560, 566039), (4457, 452120), (5080, 396673), (8914, 226060), (11303, 178280), (17828, 113030), (22285, 90424), (22606, 89140), (35656, 56515), (44570, 45212)]