128221320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46457}}^1$

素因数の和:46494

約数の個数: 64

約数和(自身を含む): 401397120

約数和(自身を除く): 273175800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 46457, 92914, 139371, 185828, 232285, 278742, 371656, 464570, 557484, 696855, 929140, 1068511, 1114968, 1393710, 1858280, 2137022, 2787420, 3205533, 4274044, 5342555, 5574840, 6411066, 8548088, 10685110, 12822132, 16027665, 21370220, 25644264, 32055330, 42740440, 64110660, 128221320]

約数ペア:

[(1, 128221320), (2, 64110660), (3, 42740440), (4, 32055330), (5, 25644264), (6, 21370220), (8, 16027665), (10, 12822132), (12, 10685110), (15, 8548088), (20, 6411066), (23, 5574840), (24, 5342555), (30, 4274044), (40, 3205533), (46, 2787420), (60, 2137022), (69, 1858280), (92, 1393710), (115, 1114968), (120, 1068511), (138, 929140), (184, 696855), (230, 557484), (276, 464570), (345, 371656), (460, 278742), (552, 232285), (690, 185828), (920, 139371), (1380, 92914), (2760, 46457)]