399989760

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{26041}}^1$

素因数の和:26069

約数の個数: 88

約数和(自身を含む): 1279391376

約数和(自身を除く): 879401616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 26041, 52082, 78123, 104164, 130205, 156246, 208328, 260410, 312492, 390615, 416656, 520820, 624984, 781230, 833312, 1041640, 1249968, 1562460, 1666624, 2083280, 2499936, 3124920, 3333248, 4166560, 4999872, 6249840, 6666496, 8333120, 9999744, 12499680, 13332992, 16666240, 19999488, 24999360, 26665984, 33332480, 39998976, 49998720, 66664960, 79997952, 99997440, 133329920, 199994880, 399989760]

約数ペア:

[(1, 399989760), (2, 199994880), (3, 133329920), (4, 99997440), (5, 79997952), (6, 66664960), (8, 49998720), (10, 39998976), (12, 33332480), (15, 26665984), (16, 24999360), (20, 19999488), (24, 16666240), (30, 13332992), (32, 12499680), (40, 9999744), (48, 8333120), (60, 6666496), (64, 6249840), (80, 4999872), (96, 4166560), (120, 3333248), (128, 3124920), (160, 2499936), (192, 2083280), (240, 1666624), (256, 1562460), (320, 1249968), (384, 1041640), (480, 833312), (512, 781230), (640, 624984), (768, 520820), (960, 416656), (1024, 390615), (1280, 312492), (1536, 260410), (1920, 208328), (2560, 156246), (3072, 130205), (3840, 104164), (5120, 78123), (7680, 52082), (15360, 26041)]