2191279920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{396971}}^1$

素因数の和:397010

約数の個数: 80

約数和(自身を含む): 7088332032

約数和(自身を除く): 4897052112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 396971, 793942, 1190913, 1587884, 1984855, 2381826, 3175768, 3969710, 4763652, 5954565, 6351536, 7939420, 9130333, 9527304, 11909130, 15878840, 18260666, 19054608, 23818260, 27390999, 31757680, 36521332, 45651665, 47636520, 54781998, 73042664, 91303330, 95273040, 109563996, 136954995, 146085328, 182606660, 219127992, 273909990, 365213320, 438255984, 547819980, 730426640, 1095639960, 2191279920]

約数ペア:

[(1, 2191279920), (2, 1095639960), (3, 730426640), (4, 547819980), (5, 438255984), (6, 365213320), (8, 273909990), (10, 219127992), (12, 182606660), (15, 146085328), (16, 136954995), (20, 109563996), (23, 95273040), (24, 91303330), (30, 73042664), (40, 54781998), (46, 47636520), (48, 45651665), (60, 36521332), (69, 31757680), (80, 27390999), (92, 23818260), (115, 19054608), (120, 18260666), (138, 15878840), (184, 11909130), (230, 9527304), (240, 9130333), (276, 7939420), (345, 6351536), (368, 5954565), (460, 4763652), (552, 3969710), (690, 3175768), (920, 2381826), (1104, 1984855), (1380, 1587884), (1840, 1190913), (2760, 793942), (5520, 396971)]