77919960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1013}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 234355680

約数和(自身を除く): 156435720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 1013, 1282, 1923, 2026, 2564, 3039, 3205, 3846, 4052, 5065, 5128, 6078, 6410, 7692, 8104, 9615, 10130, 12156, 12820, 15195, 15384, 19230, 20260, 24312, 25640, 30390, 38460, 40520, 60780, 76920, 121560, 649333, 1298666, 1947999, 2597332, 3246665, 3895998, 5194664, 6493330, 7791996, 9739995, 12986660, 15583992, 19479990, 25973320, 38959980, 77919960]

約数ペア:

[(1, 77919960), (2, 38959980), (3, 25973320), (4, 19479990), (5, 15583992), (6, 12986660), (8, 9739995), (10, 7791996), (12, 6493330), (15, 5194664), (20, 3895998), (24, 3246665), (30, 2597332), (40, 1947999), (60, 1298666), (120, 649333), (641, 121560), (1013, 76920), (1282, 60780), (1923, 40520), (2026, 38460), (2564, 30390), (3039, 25640), (3205, 24312), (3846, 20260), (4052, 19230), (5065, 15384), (5128, 15195), (6078, 12820), (6410, 12156), (7692, 10130), (8104, 9615)]